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  5. Threaded Inserts
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  7. Self Locking Inserts

Self Locking Inserts (735 items)

E-Z Lok Thin Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, Carbon Steel, 10 PK 319-6-PK10
CAD Files Available
E-Z Lok

Thin Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, Carbon Steel, 10 PK

Zoro # G0643867
Mfr # 319-6-PK10
product price:  $17.25
/pk 10, $1.73/ea
E-Z Lok Heavy Wall Self Locking Thread Insert, M6-1.00 Int Thrd Sz, 18-8 Stainless Steel, 5 PK 453-6-PK5
CAD Files Available
E-Z Lok

Heavy Wall Self Locking Thread Insert, M6-1.00 Int Thrd Sz, 18-8 Stainless Steel, 5 PK

Zoro # G2089412
Mfr # 453-6-PK5
product price:  $12.49
/pk 5, $2.50/ea
E-Z Lok Heavy Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, Carbon Steel, 10 PK 329-6-PK10
CAD Files Available
E-Z Lok

Heavy Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, Carbon Steel, 10 PK

Zoro # G2795746
Mfr # 329-6-PK10
product price:  $14.25
/pk 10, $1.43/ea
Zoro Select Standard Wall Self Locking Thread Insert, M8-1.25 Int Thrd Sz, 316 Stainless Steel 416-8
CAD Files Available
Zoro Select

Standard Wall Self Locking Thread Insert, M8-1.25 Int Thrd Sz, 316 Stainless Steel

Zoro # G409228385
Mfr # 416-8
product price:  $13.29
/ea
Zoro Select Thin Wall Self Locking Thread Insert, M4-0.70 Int Thrd Sz, Steel, 5 PK 319-M4-PK5
CAD Files Available
Zoro Select

Thin Wall Self Locking Thread Insert, M4-0.70 Int Thrd Sz, Steel, 5 PK

Zoro # G209228318
Mfr # 319-M4-PK5
product price:  $7.29
/pk 5, $1.46/ea
E-Z Lok Extra Heavy Wall Self Locking Thread Insert, 1/2"-13 Int Thrd Sz, Carbon Steel, 5 PK 335-8-PK5
CAD Files Available
E-Z Lok

Extra Heavy Wall Self Locking Thread Insert, 1/2"-13 Int Thrd Sz, Carbon Steel, 5 PK

Zoro # G2423696
Mfr # 335-8-PK5
product price:  $13.55
/pk 5, $2.71/ea
Zoro Select Thin Wall Self Locking Thread Insert, M8-1.25 Int Thrd Sz, Steel, 5 PK 319-M8-PK5
CAD Files Available
Zoro Select

Thin Wall Self Locking Thread Insert, M8-1.25 Int Thrd Sz, Steel, 5 PK

Zoro # G709228375
Mfr # 319-M8-PK5
product price:  $9.19
/pk 5, $1.84/ea
E-Z Lok Heavy Wall Self Locking Thread Insert, M10-1.50 Int Thrd Sz, Carbon Steel, 10 PK 650-10-PK10
CAD Files Available
E-Z Lok

Heavy Wall Self Locking Thread Insert, M10-1.50 Int Thrd Sz, Carbon Steel, 10 PK

Zoro # G2781816
Mfr # 650-10-PK10
product price:  $18.59
/pk 10, $1.86/ea
E-Z Lok Heavy Wall Self Locking Thread Insert, M6-1.00 Int Thrd Sz, Carbon Steel, 5 PK 450-6-PK5
CAD Files Available
E-Z Lok

Heavy Wall Self Locking Thread Insert, M6-1.00 Int Thrd Sz, Carbon Steel, 5 PK

Zoro # G2980817
Mfr # 450-6-PK5
product price:  $16.15
/pk 5, $3.23/ea
E-Z Lok Heavy Wall Self Locking Thread Insert, M16-2.00 Int Thrd Sz, Carbon Steel, 5 PK 650-16-PK5
CAD Files Available
E-Z Lok

Heavy Wall Self Locking Thread Insert, M16-2.00 Int Thrd Sz, Carbon Steel, 5 PK

Zoro # G1907455
Mfr # 650-16-PK5
product price:  $17.35
/pk 5, $3.47/ea
E-Z Lok Heavy Wall Self Locking Thread Insert, #8-32 Int Thrd Sz, Carbon Steel, 5 PK 550-008-PK5
CAD Files Available
E-Z Lok

Heavy Wall Self Locking Thread Insert, #8-32 Int Thrd Sz, Carbon Steel, 5 PK

Zoro # G0903113
Mfr # 550-008-PK5
product price:  $8.59
/pk 5, $1.72/ea
Rockmount Research And Alloys Thread Insert, 3/4-10 Int Thrd Sz, Case-Hardened Steel 90420
Rockmount Research And Alloys

Thread Insert, 3/4-10 Int Thrd Sz, Case-Hardened Steel

Zoro # G304206990
Mfr # 90420
product price:  $154.99
/pk 5, $31.00/ea
Zoro Select Standard Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, Steel, 5 PK 329-601-PK5
CAD Files Available
Zoro Select

Standard Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, Steel, 5 PK

Zoro # G909228205
Mfr # 329-601-PK5
product price:  $15.39
/pk 5, $3.08/ea
E-Z Lok Thin Wall Self Locking Thread Insert, 1/2"-13 Int Thrd Sz, Carbon Steel, 5 PK 319-8-PK5
CAD Files Available
E-Z Lok

Thin Wall Self Locking Thread Insert, 1/2"-13 Int Thrd Sz, Carbon Steel, 5 PK

Zoro # G2883754
Mfr # 319-8-PK5
product price:  $11.39
/pk 5, $2.28/ea
E-Z Lok Thin Wall Self Locking Thread Insert, 5/16"-18 Int Thrd Sz, Carbon Steel, 10 PK 319-5-PK10
CAD Files Available
E-Z Lok

Thin Wall Self Locking Thread Insert, 5/16"-18 Int Thrd Sz, Carbon Steel, 10 PK

Zoro # G3464587
Mfr # 319-5-PK10
product price:  $14.99
/pk 10, $1.50/ea
Dewalt Self Locking Thread Insert, 11/16 in L, Carbon Steel, Zinc Plated, 50 PK 6401SD-PWR
CAD Files Available
Dewalt

Self Locking Thread Insert, 11/16 in L, Carbon Steel, Zinc Plated, 50 PK

Zoro # G7863703
Mfr # 6401SD-PWR
product price:  $44.79
/pk 50, $0.90/ea
E-Z Lok Heavy Wall Self Locking Thread Insert, 5/16"-18 Int Thrd Sz, Carbon Steel, 10 PK 329-5-PK10
CAD Files Available
E-Z Lok

Heavy Wall Self Locking Thread Insert, 5/16"-18 Int Thrd Sz, Carbon Steel, 10 PK

Zoro # G1353073
Mfr # 329-5-PK10
product price:  $12.59
/pk 10, $1.26/ea
E-Z Lok Thin Wall Self Locking Thread Insert, 1/4"-20 Int Thrd Sz, Carbon Steel, 10 PK 319-4-PK10
CAD Files Available
E-Z Lok

Thin Wall Self Locking Thread Insert, 1/4"-20 Int Thrd Sz, Carbon Steel, 10 PK

Zoro # G1609693
Mfr # 319-4-PK10
product price:  $11.59
/pk 10, $1.16/ea
Rockmount Research And Alloys Thread Insert, 5/8-11 Int Thrd Sz, Case-Hardened Steel 90418
Rockmount Research And Alloys

Thread Insert, 5/8-11 Int Thrd Sz, Case-Hardened Steel

Zoro # G804207008
Mfr # 90418
product price:  $86.45
/pk 5, $17.29/ea
E-Z Lok Heavy Wall Self Locking Thread Insert, 3/4"-10 Int Thrd Sz, Carbon Steel, 5 PK 329-12-PK5
CAD Files Available
E-Z Lok

Heavy Wall Self Locking Thread Insert, 3/4"-10 Int Thrd Sz, Carbon Steel, 5 PK

Zoro # G2193283
Mfr # 329-12-PK5
product price:  $19.59
/pk 5, $3.92/ea
E-Z Lok Thin Wall Self Locking Thread Insert, M6-1.00 Int Thrd Sz, Carbon Steel 319-M6
E-Z Lok

Thin Wall Self Locking Thread Insert, M6-1.00 Int Thrd Sz, Carbon Steel

Zoro # G008622386
Mfr # 319-M6
product price:  $3.45
/ea
Sold in mult. of 5 for $17.25
Zoro Select Heavy Wall Self Locking Thread Insert, 1/4"-20 Int Thrd Sz, Steel, 10 PK 329-4IC-PK10
CAD Files Available
Zoro Select

Heavy Wall Self Locking Thread Insert, 1/4"-20 Int Thrd Sz, Steel, 10 PK

Zoro # G109228197
Mfr # 329-4IC-PK10
product price:  $12.25
/pk 10, $1.23/ea
Zoro Select Standard Wall Self Locking Thread Insert, M14-1.25 Int Thrd Sz, Steel, 5 PK 750-14-PK5
Zoro Select

Standard Wall Self Locking Thread Insert, M14-1.25 Int Thrd Sz, Steel, 5 PK

Zoro # G309228119
Mfr # 750-14-PK5
product price:  $13.19
/pk 5, $2.64/ea
Zoro Select Thin Wall Self Locking Thread Insert, No. 10-24 Int Thrd Sz, 18-8 Stainless Steel, 5 PK 313-3-PK5
CAD Files Available
Zoro Select

Thin Wall Self Locking Thread Insert, No. 10-24 Int Thrd Sz, 18-8 Stainless Steel, 5 PK

Zoro # G909228250
Mfr # 313-3-PK5
product price:  $11.99
/pk 5, $2.40/ea
Zoro Select Thin Wall Self Locking Thread Insert, M6-1.00 Int Thrd Sz, 18-8 Stainless Steel, 5 PK 313-M6-PK5
CAD Files Available
Zoro Select

Thin Wall Self Locking Thread Insert, M6-1.00 Int Thrd Sz, 18-8 Stainless Steel, 5 PK

Zoro # G209228370
Mfr # 313-M6-PK5
product price:  $14.75
/pk 5, $2.95/ea
Midwest Fastener Self Locking Thread Insert, 3/8"-24 Int Thrd Sz, 3 PK 69271
Midwest Fastener

Self Locking Thread Insert, 3/8"-24 Int Thrd Sz, 3 PK

Zoro # G702506364
Mfr # 69271
product price:  $12.75
/pk 3, $4.25/ea
E-Z Lok Heavy Wall Self Locking Thread Insert, #4-40 Int Thrd Sz, Carbon Steel, 10 PK 329-004-PK10
CAD Files Available
E-Z Lok

Heavy Wall Self Locking Thread Insert, #4-40 Int Thrd Sz, Carbon Steel, 10 PK

Zoro # G1148323
Mfr # 329-004-PK10
product price:  $7.85
/pk 10, $0.78/ea
E-Z Lok Thin Wall Self Locking Thread Insert, 1/2"-20 Int Thrd Sz, Carbon Steel, 5 PK 319-820-PK5
CAD Files Available
E-Z Lok

Thin Wall Self Locking Thread Insert, 1/2"-20 Int Thrd Sz, Carbon Steel, 5 PK

Zoro # G2505316
Mfr # 319-820-PK5
product price:  $10.79
/pk 5, $2.16/ea
Zoro Select Heavy Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, Steel, 10 PK 329-6IC-PK10
CAD Files Available
Zoro Select

Heavy Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, Steel, 10 PK

Zoro # G909228168
Mfr # 329-6IC-PK10
product price:  $15.85
/pk 10, $1.59/ea
E-Z Lok Heavy Wall Self Locking Thread Insert, M12-1.75 Int Thrd Sz, Carbon Steel, 5 PK 650-12-PK5
CAD Files Available
E-Z Lok

Heavy Wall Self Locking Thread Insert, M12-1.75 Int Thrd Sz, Carbon Steel, 5 PK

Zoro # G1198836
Mfr # 650-12-PK5
product price:  $9.79
/pk 5, $1.96/ea
Zoro Select Thin Wall Self Locking Thread Insert, No. 8-32 Int Thrd Sz, 18-8 Stainless Steel, 5 PK 313-008-PK5
CAD Files Available
Zoro Select

Thin Wall Self Locking Thread Insert, No. 8-32 Int Thrd Sz, 18-8 Stainless Steel, 5 PK

Zoro # G609228291
Mfr # 313-008-PK5
product price:  $12.15
/pk 5, $2.43/ea
E-Z Lok Heavy Wall Self Locking Thread Insert, M8-1.25 Int Thrd Sz, Carbon Steel, 5 PK 450-8-PK5
CAD Files Available
E-Z Lok

Heavy Wall Self Locking Thread Insert, M8-1.25 Int Thrd Sz, Carbon Steel, 5 PK

Zoro # G2777634
Mfr # 450-8-PK5
product price:  $10.15
/pk 5, $2.03/ea
Zoro Select Thin Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, 18-8 Stainless Steel, 5 PK 313-6-PK5
CAD Files Available
Zoro Select

Thin Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, 18-8 Stainless Steel, 5 PK

Zoro # G809228329
Mfr # 313-6-PK5
product price:  $18.39
/pk 5, $3.68/ea
Zoro Select Heavy Wall Self Locking Thread Insert, 5/16"-18 Int Thrd Sz, Steel, 10 PK 329-5IC-PK10
CAD Files Available
Zoro Select

Heavy Wall Self Locking Thread Insert, 5/16"-18 Int Thrd Sz, Steel, 10 PK

Zoro # G509228193
Mfr # 329-5IC-PK10
product price:  $13.59
/pk 10, $1.36/ea
E-Z Lok Extra Heavy Wall Self Locking Thread Insert, 5/16"-18 Int Thrd Sz, Carbon Steel, 10 PK 335-5-PK10
CAD Files Available
E-Z Lok

Extra Heavy Wall Self Locking Thread Insert, 5/16"-18 Int Thrd Sz, Carbon Steel, 10 PK

Zoro # G2515423
Mfr # 335-5-PK10
product price:  $14.25
/pk 10, $1.43/ea
E-Z Lok Extra Heavy Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, Carbon Steel, 5 PK 335-6-PK5
CAD Files Available
E-Z Lok

Extra Heavy Wall Self Locking Thread Insert, 3/8"-16 Int Thrd Sz, Carbon Steel, 5 PK

Zoro # G1580092
Mfr # 335-6-PK5
product price:  $8.45
/pk 5, $1.69/ea
Self Locking Inserts (735 items)
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About Self Locking Inserts

Self Locking Inserts are a type of fastener that is designed to create a secure and permanent connection between two objects. These inserts are often used in place of traditional screws, bolts, and rivets, as they provide an added layer of security and stability.

Types of Self Locking Inserts

Self Locking Inserts come in many different shapes, sizes, and configurations. The most common types are locking thread inserts, self locking helicoils, self locking threads, and thread-locking inserts. Each type is designed to offer a different level of strength and reliability depending on the application.

How Self Locking Inserts are Made

Self Locking Inserts are typically made from metal alloys such as stainless steel or brass. Depending on the application these metals may be combined with other materials such as plastics or rubber to increase durability or reduce weight. The threads on the insert can also be formed by cutting or rolling techniques.

Industries that use Self Locking Inserts

Self Locking Inserts have become increasingly popular in many industries including automotive manufacturing, aerospace engineering, construction projects, industrial machinery maintenance, furniture assembly and more. Professionals who work in these industries rely on these inserts for their strength and reliability when connecting two pieces together.

Find the Self Locking Inserts You Need at Zoro

Looking for a specific item? Use our robust search tool to find it by name or keyword, or use our handy filters to narrow down our full assortment. You can also check out our whole selection of fasteners, along with other tools or supplies to ensure you have all you need to tackle the job, especially if you're taking on a DIY project for the first time.
Plus, when you shop at Zoro, you'll always enjoy competitive prices on tons of great brands you know and trust. We make the shopping experience as fast and seamless as possible with free shipping on orders over $50 for registered users, Net 30 payment terms for qualifying customers, and an unparalleled customer service experience.

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