Thread Forming And Cutting Screws

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Thread-forming & thread-cutting screws are suitable for creating reusable threads in metals and plastics. They are ideal for metalworking, automobile, maintenance and repair...Read more

APPROVED VENDOR -

Hex Washer Slotted Zinc Plated Steel Thread Cutting Screws

StyleModelThread SizeDrive SizeHead TypeDrive TypeMaterialFinishPrice
AU67021.016.0037#8-321/4"Hex WasherSlottedSteelZinc Plated€13.17
BU67021.016.0050#8-321/4"Hex WasherSlottedSteelZinc Plated€15.13
CU67021.019.0075#10-245/16"Hex WasherSlottedSteelZinc Plated€23.60
DU67021.019.0050#10-245/16"Hex WasherSlottedSteelZinc Plated€17.93
EU67021.025.00501/4"-203/8"Hex WasherSlottedSteelZinc Plated€15.40
FU67021.025.00751/4"-203/8"Hex WasherSlottedSteelZinc Plated€19.93
GU67021.025.01501/4"-203/8"Hex WasherSlottedSteelZinc Plated€16.32
HU67021.025.01001/4"-203/8"Hex WasherSlottedSteelZinc Plated€13.42
APPROVED VENDOR -

Pan Torx Zinc Plated Steel Miniature Thread Rolling Screws

Thread forming and cutting screws are ideal for fastening materials with low thread strength, such as thin sheet metal or plastic, as they create their own threads for enhanced grip. Their miniature thread rolling ensures precise and accurate thread formation, resulting in reliable and consistent fastener performance. These pan head fasteners have a low-profile, rounded design for easy installation, increased clearance and a neat finish. Their Torx drives are versatile and compatible with various hand tools, including Torx screwdrivers, bits and power tools. These screws feature steel construction for superior resistance to mechanical forces, ensuring secure and reliable connections. They are zinc-plated for resistance to moisture, making them ideal for outdoor or humid environments.

StyleModelThread SizeDrive SizeHead TypeDrive TypeMaterialFinishPricePkg. Qty.
A1PE89M1.4 x 0.3T3PanTorxSteelZinc Plated€28.3425
B1PE91M1.4 x 0.3T3PanTorxSteelZinc Plated€29.7425
C1PE87M1.4 x 0.3T3PanTorxSteelZinc Plated€31.7425
D1PE85M1.4 x 0.3T3PanTorxSteelZinc Plated€34.5625
E1PU53M1.4 x 0.45T3PanTorxSteelZinc Plated€31.4225
F1PU56M1.4 x 0.45T3PanTorxSteelZinc Plated€30.7525
G1PU50M1.4 x 0.45T3PanTorxSteelZinc Plated€32.8125
H1PE95M1.6 x 0.35T4PanTorxSteelZinc Plated€30.1725
I1PE93M1.6 x 0.35T4PanTorxSteelZinc Plated€30.001
J1PE99M1.6 x 0.35T4PanTorxSteelZinc Plated€33.1425
K1PE97M1.6 x 0.35T4PanTorxSteelZinc Plated€35.4425
L1PU61M1.6 x 0.79T4PanTorxSteelZinc Plated€32.2525
M1PU64M1.6 x 0.79T4PanTorxSteelZinc Plated€31.7425
N1PU67M1.6 x 0.79T4PanTorxSteelZinc Plated€28.6125
O1PU58M1.6 x 0.79T4PanTorxSteelZinc Plated€31.7025
P1PU21M2 x 0.4T5PanTorxSteelZinc Plated€30.4725
Q1PU15M2 x 0.4T5PanTorxSteelZinc Plated€34.8525
R1PU19M2 x 0.4T5PanTorxSteelZinc Plated€32.5825
S1PU17M2 x 0.4T5PanTorxSteelZinc Plated€32.8125
T1PU23M2 x 0.4T5PanTorxSteelZinc Plated€32.2325
U1PU13M2 x 0.4T5PanTorxSteelZinc Plated€29.4725
V1PU11M2 x 0.4T5PanTorxSteelZinc Plated€33.1025
W1PU89M2 x 0.91T5PanTorxSteelZinc Plated€30.8625
X1PU81M2 x 0.91T5PanTorxSteelZinc Plated€35.5025
Y1PU85M2 x 0.91T5PanTorxSteelZinc Plated€32.5425
StyleModelThread SizeDrive SizeHead TypeHead AngleDrive TypeMaterialFinishPricePkg. Qty.
ATRS3M2.2 x 0.98T6Pan90°TorxSteelZinc Plated€13.5610
ATRS1M2.2 x 0.98T6Pan90°TorxSteelZinc Plated€13.5610
ATRS4M3 x 1.34T10Pan90°TorxSteelZinc Plated€12.9810
ATRS6M3 x 1.34T10Pan90°TorxSteelZinc Plated€13.8810
ATRS8M3.5 x 1.57T10Pan90°TorxSteelZinc Plated€13.0110
ATRS10M3.5 x 1.57T10Pan90°TorxSteelZinc Plated€13.4410
ATRS9M3.5 x 1.57T10Pan90°TorxSteelZinc Plated€13.1710
ATRS12M4 x 1.79T15Pan90°TorxSteelZinc Plated€13.8810
ATRS11M4 x 1.79T15Pan90°TorxSteelZinc Plated€14.4210
ATRS14M5 x 2.24T20Pan90°TorxSteelZinc Plated€13.7610
ATRS13M5 x 2.24T20Pan90°TorxSteelZinc Plated€15.6310
APPROVED VENDOR -

Flat Torx Phosphate Steel Thread Forming Screws

Thread forming and cutting screws can form strong & precise threads and provide excellent resistance against stripping or pull-out. These thread forming units offer enhanced resistance to vibrational loosening, reducing the need for additional measures, such as locking mechanisms. They feature steel construction for strength & durability. These screws are covered with phosphate coating that acts as a rust inhibitor, protecting fasteners during storage or transportation before final installation. These Torx drive fasteners ensure optimal torque transmission, resulting in secure and precise tightening or loosening.

StyleModelThread SizeDrive SizeHead TypeHead AngleDrive TypeMaterialFinishPricePkg. Qty.
AU31291.025.01501/4"-20T27Flat-TorxSteelPhosphate€53.201
BU31291.025.02501/4"-20T27Flat-TorxSteelPhosphate€86.721
CU31291.025.01001/4"-20T27Flat-TorxSteelPhosphate€39.651
DU31291.025.02001/4"-20T27Flat-TorxSteelPhosphate€68.351
EU31291.031.02005/16"-18T40Flat-TorxSteelPhosphate€51.491
FTFTCIF0310300P-050BX5/16"-18T40Flat82°TorxSteelPhosphate€74.1150
StyleModelThread SizeDrive SizeScrew SizeHead TypeTip TypeDrive TypeMaterialFinishPricePkg. Qty.
AM67010.030.0010M3 x 0.55.5 mmM3Hex WasherBluntExternal HexSteelZinc Plated€230.49500
AM67010.040.0006M4 x 0.77 mmM4Hex WasherBluntExternal HexSteelZinc Plated€180.581
AM67010.040.0008M4 x 0.77 mmM4Hex WasherBluntExternal HexSteelZinc Plated€194.071
AM67010.040.0030M4 x 0.77 mmM4Hex WasherBluntExternal HexSteelZinc Plated€220.551
AL67010.040.0015M4 x 0.77 mmM4Hex WasherBluntExternal HexSteelZinc Plated€2,004.805000
AM67010.040.0010M4 x 0.77 mmM4Hex WasherBluntExternal HexSteelZinc Plated€235.511
AM67010.040.0015M4 x 0.77 mmM4Hex WasherBluntExternal HexSteelZinc Plated€235.361
AM67010.050.0020M5 x 0.88 mmM5Hex WasherBluntExternal HexSteelZinc Plated€212.681
AL67010.060.0010M6 x 110 mmM6Hex WasherBluntExternal HexSteelZinc Plated€2,153.002400
AM67010.060.0010M6 x 110 mmM6Hex WasherBluntExternal HexSteelZinc Plated€93.181
AM67010.060.0012M6 x 110 mmM6Hex WasherBluntExternal HexSteelZinc Plated€96.391
AM67010.060.0025M6 x 110 mmM6Hex WasherBluntExternal HexSteelZinc Plated€125.911
AM67010.060.0030M6 x 110 mmM6Hex WasherBluntExternal HexSteelZinc Plated€153.891
AM67010.080.0020M8 x 1.2513 mmM8Hex WasherBluntExternal HexSteelZinc Plated€112.731
AM67010.080.0025M8 x 1.2513 mmM8Hex WasherBluntExternal HexSteelZinc Plated€116.791
AL67010.080.0025M8 x 1.2513 mmM8Hex WasherBluntExternal HexSteelZinc Plated€1,414.73700
GRAINGER -

Hex Washer Zinc Plated Steel Thread Cutting Screws

StyleModelThread SizeDrive SizeHead TypeTip TypeMaterialFinishPricePkg. Qty.
AHWTCIF0-600500SL-100BX#6-321/4"Hex WasherBluntSteelZinc Plated€10.97100
BHWTCIF0-800750SL-100BX#8-321/4"Hex WasherBluntSteelZinc Plated€13.97100
CHWTCIF-1000620SL-100BX#10-245/16"Hex WasherBluntSteelZinc Plated€16.92100
DHWTCIF-1001000SL-100BX#10-245/16"Hex WasherBluntSteelZinc Plated€19.80100
EHWTCIF02502000SL-025BX1/4"-203/8"Hex WasherBluntSteelZinc Plated€17.0825
GRAINGER -

Round Torx Black Oxide Steel Thread Forming Screws

Thread forming and cutting screws offer versatility in joining different materials together, allowing for strong connections without the need for separate threaded inserts. These thread forming units create strong & durable threads that distribute load evenly, ensuring reliable and long-lasting fastening. They feature steel construction for superior resistance to mechanical forces (tension, compression and shear) to ensure secure and reliable connections. These screws further fetaure black oxide coating to protect them from rust and deterioration and add a sleek & aesthetically pleasing appearance to the overall product. Their round head have a smooth surface that reduces the risk of snagging or catching on objects or clothing. Their Torx drive minimises the risk of cam-out, preventing slippage and reducing the chances of damage. These screws have a Rockwell C28-C38 rating for hardness to provide excellent wear resistance and durability, making them suitable for demanding applications.

StyleModelThread SizeDrive SizeHead TypeTip TypeHead AngleHardnessResistance PropertiesPricePkg. Qty.
ATFTCIF0250250P-1200P1/4"-20T27Round SpacerBlunt82°Rockwell C28-C38Vibration Resistant€547.821
ATFTCIF0250225P-1400P1/4"-20T27Round SpacerBlunt82°Rockwell C28-C38Vibration Resistant€568.011400
ATFTCIF0250125P-2000P1/4"-20T27Round SpacerBlunt82°Rockwell C28-C38Vibration Resistant€437.772
ATFTCIF0250150P-2000P1/4"-20T27Round SpacerBlunt82°Rockwell C28-C38Vibration Resistant€524.252
ATFTCIF0250100P-2500P1/4"-20T27Round SpacerBlunt82°Rockwell C28-C38Vibration Resistant€468.152
ATFTCIF0250200P-1600P1/4"-20T27Round SpacerBlunt82°Rockwell C28-C38Vibration Resistant€592.451
ATFTCIF0310225P-800P5/16"-18T40Round SpacerBlunt82°Rockwell C28-C38Vibration Resistant€393.82800
ATFTCIF0310200P-900P5/16"-18T40Round SpacerBlunt82°Rockwell C28-C38Vibration Resistant€419.07900
ATFTCIF0310250P-800P5/16"-18T40Round SpacerBlunt82°Rockwell C28-C38Vibration Resistant€595.78800
ATFTCIF0310300P-600P5/16"-18T40Round SpacerBlunt82°Rockwell C28-C38Vibration Resistant€529.65600
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Pan Phillips Zinc Plated Steel Thread Cutting Screws

StyleModelThread SizeDrive SizeHead TypeTip TypeDrive TypeMaterialFinishPricePkg. Qty.
APPTCIF0-400250-100P#4-40#1PanBluntPhillipsSteelZinc Plated€3.38100
BPPTCIF0-400370-100P#4-40#1PanBluntPhillipsSteelZinc Plated€3.53100
CPPTCIF0-400500-100P#4-40#1PanBluntPhillipsSteelZinc Plated€3.61100
DPPTCIF0-600500-100P#6-32#2PanBluntPhillipsSteelZinc Plated€4.98100
EPPTCIF0-600250-100P#6-32#2PanBluntPhillipsSteelZinc Plated€1.41100
FPPTCIF0-600750-100P#6-32#2PanBluntPhillipsSteelZinc Plated€1.94100
GPPTCIF0-600370-100P#6-32#2PanBluntPhillipsSteelZinc Plated€4.54100
HPPTCIF0-600620-100P#6-32#2PanBluntPhillipsSteelZinc Plated€1.79100
IPPTCIF0-800750-100P#8-32#2PanBluntPhillipsSteelZinc Plated€15.62100
JPPTCIF0-800500-100P#8-32#2PanBluntPhillipsSteelZinc Plated€7.04100
KPPTCIF0-800620-100P#8-32#2PanBluntPhillipsSteelZinc Plated€7.12100
LPPTCIF0-800370-100P#8-32#2PanBluntPhillipsSteelZinc Plated€6.30100
MPPTCIF0-801000-100P#8-32#2PanBluntPhillipsSteelZinc Plated€17.38100
NPPTCIF-1000620-100BX#10-24#2PanBluntPhillipsSteelZinc Plated€15.44100
OPPTCIF-1000750-100P#10-24#2PanBluntPhillipsSteelZinc Plated€17.18100
PPPTCIF-1000500-100P#10-24#2PanBluntPhillipsSteelZinc Plated€13.98100
QPPTCIF-1000370-100P#10-24#2PanBluntPhillipsSteelZinc Plated€11.88100
RPPTCIF-1001000-050P#10-24#2PanBluntPhillipsSteelZinc Plated€8.5250
SPPTCFIF-1000370-100P#10-32#2PanBluntPhillipsSteelZinc Plated€13.64100
TU27101.019.0051#10-32#2Pan-PhillipsSteelZinc Plated€21.321
UPPTCFIF-1000750-100P#10-32#2PanBluntPhillipsSteelZinc Plated€19.28100
VU27101.025.00751/4"-20#3Pan-PhillipsSteelZinc Plated€10.351
WPPTCIF02500500-025P1/4"-20#3PanBluntPhillipsSteelZinc Plated€6.5225
XU27101.025.01001/4"-20#3Pan-PhillipsSteelZinc Plated€11.641
APPROVED VENDOR -

Pan Phillips Plain Stainless Steel Thread Cutting Screws

Thread forming and cutting screws are ideal for fastening materials with low thread strength, such as thin sheet metal or plastic, as they create their own threads for enhanced grip. Their miniature thread cutting profile ensures precise thread formation, resulting in reliable and accurate fastener connections. These screws feature Grade 410 stainless steel construction and plain finish for corrosion resistance, ensuring longevity and reliability in challenging environments. Their pan heads offer a low-profile, rounded design for easy installation, increased clearance and a neat finish in fastening applications.

StyleModelThread SizeDrive SizeHead TypeGradeDrive TypeMaterialFinishPricePkg. Qty.
A1WU14#4-40#1PanGrade 410PhillipsStainless SteelPlain€14.68100
BU27102.013.0075#6-32#2PanGrade 410PhillipsStainless SteelPlain€14.231
C1WU22#6-32#2PanGrade 410PhillipsStainless SteelPlain€13.42100
D1WU24#6-32#2PanGrade 410PhillipsStainless SteelPlain€15.13100
EU27102.013.0037#6-32#2PanGrade 410PhillipsStainless SteelPlain€11.431
FU27102.016.0050#8-32#2PanGrade 410PhillipsStainless SteelPlain€15.261
GU27102.016.0037#8-32#2PanGrade 410PhillipsStainless SteelPlain€6.731
HU27102.016.0075#8-32#2PanGrade 410PhillipsStainless SteelPlain€9.251
I1WU42#10-24#2PanGrade 410PhillipsStainless SteelPlain€34.59100
J1WU38#10-24#2PanGrade 410PhillipsStainless SteelPlain€29.87100
K1WU40#10-24#2PanGrade 410PhillipsStainless SteelPlain€28.54100
L1WU44#10-24#2PanGrade 410PhillipsStainless SteelPlain€36.74100
MU27102.019.0051#10-32#2PanGrade 410PhillipsStainless SteelPlain€9.001
NU27102.019.0063#10-32#2PanGrade 410PhillipsStainless SteelPlain€21.051
StyleModelThread SizeDrive SizeHead TypeHead AngleDrive TypeMaterialFinishPricePkg. Qty.
ATRS2M2.2 x 0.98T6Round Spacer90°TorxSteelZinc Plated€13.7610
ATRS7M3 x 1.34T10Round Spacer90°TorxSteelZinc Plated€13.4110
ATRS5M3 x 1.34T10Round Spacer90°TorxSteelZinc Plated€13.5610
GRAINGER -

Hex Washer Slotted Zinc Plated Steel Thread Forming Screws

Thread forming and cutting screws help improve productivity by simplifying assembly processes and reducing the number of required operations. These hex head fasteners offer superior grip, torque transfer and versatility, making them ideal for heavy-duty applications & efficient fastening. Their slotted drive is simple to use, allowing for easy installation and adjustment with a standard flat-head screwdriver. These steel units provide superior resistance to mechanical forces, including tension, compression and shear, ensuring secure & reliable connections. They are zinc plated which helps to extend the lifespan by acting as a barrier against corrosive elements. These screws are Rockwell C28-C38-rated for increased toughness and corrosion resistance, assuring their usefulness in difficult conditions.

StyleModelThread SizeDrive SizeHead TypeTip TypeHardnessResistance PropertiesThread StylePricePkg. Qty.
AHWTCIF02502000SL-1600BX1/4"-20#3Hex WasherBluntRockwell C28-C38Vibration Resistant-€628.601
B3716FSWS3/8"-16-Hex Washer-Rockwell C28-C38-Fully Threaded€195.94100
C3712FSWS3/8"-16-Hex Washer-Rockwell C28-C38-Fully Threaded€176.24100
D3116FSWS5/16"-18FHex Washer----€82.59100
E3112FSWS5/16"-18-Hex Washer-Rockwell C28-C38-Fully Threaded€121.15100
FABORY -

Phillips Zinc Plated Steel Thread Rolling Screws

StyleModelThread SizeDrive SizeScrew SizeHead TypeTip TypeDrive TypeMaterialFinishPricePkg. Qty.
AM67150.030.0020M3 x 0.51 mmM3FillisterBluntPhillipsSteelZinc Plated€405.72500
BM67150.030.0015M3 x 0.51 mmM3FillisterBluntPhillipsSteelZinc Plated€67.49500
BM67150.030.0008M3 x 0.51 mmM3FillisterBluntPhillipsSteelZinc Plated€230.48500
BM67150.030.0010M3 x 0.51 mmM3FillisterBluntPhillipsSteelZinc Plated€427.81500
BM67150.030.0006M3 x 0.51 mmM3FillisterBluntPhillipsSteelZinc Plated€216.89500
BM67150.035.0008M3.5 x 0.62 mmM3.5FillisterBluntPhillipsSteelZinc Plated€408.10500
AM67150.040.0008M4 x 0.72 mmM4FillisterBluntPhillipsSteelZinc Plated€235.251
AM67150.040.0010M4 x 0.72 mmM4FillisterBluntPhillipsSteelZinc Plated€154.761
BM67150.040.0030M4 x 0.72 mmM4FillisterBluntPhillipsSteelZinc Plated€501.54500
BM67150.040.0006M4 x 0.72 mmM4FillisterBluntPhillipsSteelZinc Plated€134.01500
BM67150.050.0030M5 x 0.82 mmM5FillisterBluntPhillipsSteelZinc Plated€407.81250
BM67150.050.0010M5 x 0.82 mmM5FillisterBluntPhillipsSteelZinc Plated€78.651
AM67150.050.0008M5 x 0.82 mmM5FillisterBluntPhillipsSteelZinc Plated€98.791
AM67150.050.0015M5 x 0.82 mmM5FillisterBluntPhillipsSteelZinc Plated€266.49250
BL67150.050.0020M5 x 0.82 mmM5FillisterBluntPhillipsSteelZinc Plated€3,418.352500
BM67150.050.0025M5 x 0.82 mmM5FillisterBluntPhillipsSteelZinc Plated€325.27250
BM67150.050.0020M5 x 0.82 mmM5FillisterBluntPhillipsSteelZinc Plated€304.93250
BM67150.050.0012M5 x 0.82 mmM5FillisterBluntPhillipsSteelZinc Plated€118.921
BM67150.060.0015M6 x 13 mmM6FillisterBluntPhillipsSteelZinc Plated€139.87100
BM67150.060.0010M6 x 13 mmM6FillisterBluntPhillipsSteelZinc Plated€128.31100
BM67150.060.0012M6 x 13 mmM6FillisterBluntPhillipsSteelZinc Plated€108.27100
BM67150.060.0020M6 x 13 mmM6FillisterBluntPhillipsSteelZinc Plated€187.41100
GRAINGER -

Flat Phillips Zinc Plated Steel Thread Cutting Screws

Thread forming and cutting screws are utilised in applications requiring tight and reliable thread engagement. They feature Philips drives for excellent torque transfer, reduced slippage and widespread compatibility with various hand tools for efficient and reliable fastening. Their flat head facilitates a flush and countersunk installation, providing a sleek and low-profile finish for secure and discreet fastening. These screws feature a blunt tip for improved safety, reduced surface damage, enhanced ease of insertion and compatibility with delicate materials in fastening applications. They are made of steel for strength and durability, ensuring reliable and long-lasting performance. These screws are zinc plated for excellent corrosion resistance, protecting fasteners from rust and deterioration in various environments.

StyleModelThread SizeHead TypeDrive SizeTip TypeHead AngleDrive TypeMaterialFinishPricePkg. Qty.
APFTCIF0-801250-100P#8-32Flat#2Blunt82°PhillipsSteelZinc Plated€24.69100
BPFTCIF0-801000-100P#8-32Flat#2Blunt82°PhillipsSteelZinc Plated€13.78100
CPFTCIF0-801500-100P#8-32Flat#2Blunt82°PhillipsSteelZinc Plated€41.12100
GRAINGER -

Round Phillips Zinc Plated Steel Thread Forming Screws

Thread forming and cutting screws provide a reliable solution for various fastening needs in the automotive, electronics and construction industries. Their Philips drive reduces slippage, minimising the risk of damage to the fastener or surrounding materials. These screws are made of steel, making them recyclable and environment friendly. They feature zinc plating for excellent corrosion resistance, protecting fasteners from rust and deterioration in moist environments. These round head fasteners offer a versatile and aesthetically pleasing solution with a smooth, low-profile design for various fastening applications. They possess Rockwell C28-C38 rating for hardness for increased strength, ensuring enhanced durability and resistance to wear.

StyleModelThread SizeDrive SizeHead TypeTip TypeHardnessResistance PropertiesDrive TypeMaterialPricePkg. Qty.
APPTCIF0-400370-25000P#4-40#1Round SpacerBluntRockwell C28-C38Vibration ResistantPhillipsSteel€865.9025
APPTCIF0-400500-25000P#4-40#1Round SpacerBluntRockwell C28-C38Vibration ResistantPhillipsSteel€881.0525
APPTCIF0-400250-40000P#4-40#1Round SpacerBluntRockwell C28-C38Vibration ResistantPhillipsSteel€1,410.7540
APPTCIF02500500-4000P1/4"-20#3Round SpacerBluntRockwell C28-C38Vibration ResistantPhillipsSteel€646.774
APPTCIF02500750-3000BX1/4"-20#3Round SpacerBluntRockwell C28-C38Vibration ResistantPhillipsSteel€567.593
APPTCIF02501000-2500BX1/4"-20#3Round SpacerBluntRockwell C28-C38Vibration ResistantPhillipsSteel€562.962
APPROVED VENDOR -

Thread Cutting Screw, 10-32 Thread Size, SS, 0.116 In Head Ht., 5/8 In Lg., 50 Pk

ModelItemPrice (ex. VAT)Pkg. Qty.
1WU72AB4BWM€15.65
50

Thread Forming And Cutting Screws

Thread-forming & thread-cutting screws are suitable for creating reusable threads in metals and plastics. They are ideal for metalworking, automobile, maintenance and repair applications. Raptor Supplies offers a wide range of these screws from Grainger. These self-tapping screws need a pre-punched or drilled hole for installation / operation.

Frequently Asked Questions

What is the difference between thread-forming and thread-cutting screws?

  • The differentiating factor is how these screws tap the threads in the material.
  • Thread-cutting screws feature a shank slotted point to progressively cut away the material and form the thread as they are driven down.
  • Thread-forming screws create threads by shaping, moving or displacing the material. They generally have a blunt end and build up the threads more quickly & efficiently.
  • Users should select a thread-cutting screw over a thread-forming screw when dealing with hard materials, threading a big hole or preventing distortion of entry / exit holes.