Self Locking Inserts

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Self-locking inserts are suitable for locking threaded fasteners inside a tapped hole in automobile, aerospace and maintenance applications. Raptor Supplies offers these thread-locking...Read more

POWERS FASTENERS -

Carbon Steel Self Locking Inserts

StyleModelInternal Thread SizeExternal Thread SizeWall TypeMin. Full Thread DepthExternal ClassInternal ClassThread TypePower DriverPricePkg. Qty.
A329-004#4-40#10-32Heavy Wall9/32"Class 2AClass 2BCoarse Internal/Coarse External-€13.5510
B550-006#6-32M6 x 1Heavy Wall5/16"Class 2AClass 2BCoarse Internal/Metric External4ZE51€11.855
C329-006#6-321/4"-20Heavy Wall11/32"Class 2AClass 2BCoarse Internal/Coarse External4ZE51€10.6410
D550-008#8-32M8 x 1.25Heavy Wall23/64"Class 2AClass 2BCoarse Internal/Metric External4ZE52€10.885
E329-008#8-325/16"-18Heavy Wall7/16"Class 2AClass 2BCoarse Internal/Coarse External4ZE52€11.7410
F550-1024#10-24M8 x 1.25Heavy Wall31/64"Class 2AClass 2BCoarse Internal/Metric External4ZE53€9.555
G319-3#10-245/16"-18Thin Wall3/8"Class 2AClass 2BCoarse Internal/Coarse External4ZE53€14.0810
H329-3#10-243/8"-16Heavy Wall15/32"Class 2AClass 2BCoarse Internal/Coarse External4ZE53€13.2310
I550-1032#10-32M8 x 1.25Heavy Wall31/64"Class 2AClass 2BCoarse Internal/Metric External4ZE53€10.475
J329-332#10-323/8"-16Heavy Wall15/32"Class 2AClass 2BFine Internal/Coarse External4ZE53€10.6810
K319-332#10-325/16"-18Thin Wall3/8"Class 2AClass 2BCoarse Internal/Coarse External4ZE53€16.5910
L329-161"-81 3/8"-12Heavy Wall1 3/8"Class 2AClass 2BCoarse Internal/Coarse External-€51.855
M329-16141"-141 3/8"-12Heavy Wall1 3/8"Class 2AClass 2BCoarse Internal/Coarse External-€64.335
N550-81/2"-13M16 x 2Heavy Wall3/4"Class 2AClass 2BCoarse Internal/Metric External4ZE58€21.095
O329-8011/2"-133/4"-10Heavy Wall1"Class 2AClass 2BCoarse Internal/Coarse External4ZE58€17.645
P319-81/2"-135/8"-11Thin Wall11/16"Class 2AClass 2BCoarse Internal/Coarse External4ZE58€16.085
Q335-81/2"-137/8"-9Extra Heavy Wall13/16"Class 2AClass 2BCoarse Internal/Coarse External4ZE58€14.565
R329-81/2"-133/4"-10Heavy Wall3/4"Class 2AClass 2BCoarse Internal/Coarse External4ZE58€15.525
S319-8201/2"-205/8"-11Thin Wall11/16"Class 2AClass 2BFine Internal/Coarse External4ZE58€12.595
T329-8201/2"-203/4"-10Heavy Wall3/4"Class 2AClass 2BCoarse Internal/Coarse External4ZE58€12.845
U550-14201/4"-20M10 x 1.5Heavy Wall37/64"Class 2AClass 2BCoarse Internal/Metric External4ZE54€11.515
V329-41/4"-207/16"-14Heavy Wall1/2"Class 2AClass 2BCoarse Internal/Coarse External4ZE54€16.6910
W319-41/4"-203/8"-16Thin Wall7/16"Class 2AClass 2BCoarse Internal/Coarse External4ZE54€15.9610
X335-41/4"-201/2"-13Extra Heavy Wall9/16"Class 2AClass 2BCoarse Internal/Coarse External4ZE54€17.8810
Y319-4281/4"-283/8"-16Thin Wall7/16"Class 2AClass 2BCoarse Internal/Coarse External4ZE54€14.8810
E-Z LOK -

Grade 303 Stainless Steel Self Locking Inserts

StyleModelInternal Thread SizeExternal Thread SizeMin. Full Thread DepthExternal ClassInternal ClassThread TypePower DriverWall TypePricePkg. Qty.
A303-004#4-40#10-329/32"Class 2AClass 2BCoarse Internal/Coarse External-Heavy Wall€28.9610
B303-006#6-321/4"-2011/32"Class 2AClass 2BCoarse Internal/Coarse External4ZE51Heavy Wall€16.545
C303-008#8-325/16"-187/16"Class 2AClass 2BCoarse Internal/Coarse External4ZE52Heavy Wall€18.845
D303-3#10-243/8"-1615/32"Class 2AClass 2BCoarse Internal/Coarse External4ZE53Heavy Wall€21.245
E303-332#10-323/8"-1615/32"Class 2AClass 2BCoarse Internal/Coarse External4ZE53Heavy Wall€26.375
F303-81/2"-133/4"-103/4"Class 2AClass 2BCoarse Internal/Coarse External4ZE58Heavy Wall€35.585
G303-8201/2"-203/4"-103/4"Class 2AClass 2BCoarse Internal/Coarse External4ZE58Heavy Wall€39.295
H303-41/4"-207/16"-141/2"Class 2AClass 2BCoarse Internal/Coarse External4ZE54Heavy Wall€18.195
I303-4281/4"-287/16"-141/2"Class 2AClass 2BCoarse Internal/Coarse External4ZE54Heavy Wall€21.475
J303-123/4"-101"-87/8"Class 2AClass 2BCoarse4ZE60Heavy Wall€89.805
K303-63/8"-169/16"-1219/32"Class 2AClass 2BCoarse Internal/Coarse External4ZE56Heavy Wall€24.815
L303-6243/8"-249/16"-1219/32"Class 2AClass 2BFine Internal/Coarse External4ZE56Heavy Wall€34.515
M303-105/8"-117/8"-913/16"Class 2AClass 2BCoarse Internal/Coarse External4ZE59Heavy Wall€43.465
N303-55/16"-181/2"-139/16"Class 2AClass 2BCoarse Internal/Coarse External4ZE55Heavy Wall€20.695
O303-5245/16"-241/2"-139/16"Class 2AClass 2BFine Internal/Coarse External4ZE55Heavy Wall€22.475
P303-77/16"-145/8"-1123/32"Class 2AClass 2BCoarse Internal/Coarse External4ZE57Heavy Wall€31.225
Q303-7207/16"-205/8"-1123/32"Class 2AClass 2BCoarse Internal/Coarse External4ZE57Heavy Wall€33.975
R453-3M3 x 0.5M6 x 15/16"Class 6GClass 6HMetric Internal/Metric External-Heavy Wall€15.955
S453-4M4 x 0.7M8 x 1.2523/64"Class 6GClass 6HMetric Internal/Metric External4ZE52Heavy Wall€15.405
T453-5M5 x 0.8M8 x 1.2523/64"Class 6GClass 6HMetric Internal/Metric External4ZE52Heavy Wall€18.775
U653-6M6 x 13/8"-1615/32"Class 2AClass 6HMetric Internal/Coarse External4ZE54Heavy Wall€18.675
V453-6M6 x 1M10 x 1.531/64"Class 6GClass 6HMetric Internal/Metric External4ZE54Heavy Wall€19.095
W653-8M8 x 1.251/2"-139/16"Class 2AClass 6HMetric Internal/Coarse External4ZE55Heavy Wall€26.075
X453-8M8 x 1.25M12 x 1.7537/64"Class 6GClass 6HMetric Internal/Metric External4ZE55Heavy Wall€19.355
Y653-10M10 x 1.59/16"-1219/32"Class 2AClass 6HMetric Internal/Coarse External4ZE56Heavy Wall€31.175
POWERS FASTENERS -

Screw Anchor, 1/2 In - 13 Int. Thread Size, 29/32 In Lg., Carbon Steel, 1/2 In Size, 50 Pk

ModelItemPrice (ex. VAT)Pkg. Qty.
6403SD-PWRAD6PEK€277.51
50
POWERS FASTENERS -

Screw Anchor, 1/4 In - 20 Int. Thread Size, 11/16 In Lg., Carbon Steel, 1/4 In Size, 100 Pk

ModelItemPrice (ex. VAT)Pkg. Qty.
6400SD-PWRAD6PEH€149.70
100
POWERS FASTENERS -

Setting Tool, Carbon Steel, 1/4 In Size, Zn Plated

ModelItemPrice (ex. VAT)Pkg. Qty.
6402SD-PWRAD6PEL€16.89
1
POWERS FASTENERS -

Setting Tool, Carbon Steel, 3/8 In Size, Zn Plated

ModelItemPrice (ex. VAT)Pkg. Qty.
6407SD-PWRAD6PEM€16.10
1
POWERS FASTENERS -

Setting Tool, 1/2 In - 13 Internal Thread Size, Carbon Steel, 1/2 In Size, Zn Plated

ModelItemPrice (ex. VAT)Pkg. Qty.
6404SD-PWRAD6PEN€25.18
1
POWERS FASTENERS -

Screw Anchor, 3/8 In - 16 Int. Thread Size, 11/16 In Lg., Carbon Steel, 3/8 In Size, 50 Pk

ModelItemPrice (ex. VAT)Pkg. Qty.
6401SD-PWRAD6PEJ€81.85
50

Self Locking Inserts

Self-locking inserts are suitable for locking threaded fasteners inside a tapped hole in automobile, aerospace and maintenance applications. Raptor Supplies offers these thread-locking inserts from E-Z Lok. They lock the threads of the fastener and prevent their loosening due to vibration.

Frequently Asked Questions

What is the significance of open-ended self-locking inserts?

Inserts having an open end allow installation of fasteners longer than the inserts.

What are some compatible accessories used with these self-locking inserts?

Raptor Supplies offers compatible insert tools like drill bits, standard taps, bolts with two nuts and installation bits for installing these inserts.

How to install a self-locking insert?

  • Drill a hole according to the insert length & diameter using a standard drill.
  • Tap the drilled hole using a standard tap of the desired thread size.
  • Wind the insert into the hole like an ordinary fastener using a screwdriver, bolt & jam nut or an optional E-Z LOK drive tool.
  • 5 minutes after the threaded insert is placed in the hole, the pre-applied Loctite adhesive on the external threads starts setting for installing the fastener in minutes. After fully curing (72 hours), they can seal against liquids or gases having pressure up to 6000 psi.

Can we reuse these inserts once removed?

The external thread adhesive of these inserts starts setting after installation. Users can install a bolt inside it only if they do not want to remove it in future. Removing the bolt from the insert & the insert from the material after installation may destroy the adhesive & hence the insert's effectiveness. So, users can not reuse these inserts once removed from the application surface.