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AT Screw / Thread Inserts & Kits

AT screw thread inserts and kits are used to repair stripped or damaged internal threads and restore a reliable fastening point (application dependent). Thread repair inserts are commonly used in maintenance and fabrication work on components made from aluminum, steel, and other metals when threads have been over-torqued, cross-threaded, or worn. Using an insert can help bring a hole back to a standard fastener size and improve durability compared to a damaged base thread.

Alfa Tools STNPT66591 1/8-27 HSS NPT SCREW THREAD INSERT TAP

Alfa Tools STNPT66591 1/8-27 HSS NPT SCREW THREAD INSERT TAP

SKU: AT-STNPT66591
MPN: STNPT66591

Save $66.43
Alfa Tools STNPT66592 1/4-18 HSS NPT SCREW THREAD INSERT TAP

Alfa Tools STNPT66592 1/4-18 HSS NPT SCREW THREAD INSERT TAP

SKU: AT-STNPT66592
MPN: STNPT66592

Save $75.97
Alfa Tools STNPT66593 3/8-18 HSS NPT SCREW THREAD INSERT TAP

Alfa Tools STNPT66593 3/8-18 HSS NPT SCREW THREAD INSERT TAP

SKU: AT-STNPT66593
MPN: STNPT66593

Save $99.73
Alfa Tools STNPT66594 1/2-14 HSS NPT SCREW THREAD INSERT TAP

Alfa Tools STNPT66594 1/2-14 HSS NPT SCREW THREAD INSERT TAP

SKU: AT-STNPT66594
MPN: STNPT66594

Save $158.70
Alfa Tools STNPT66595 3/4-14 HSS NPT SCREW THREAD INSERT TAP

Alfa Tools STNPT66595 3/4-14 HSS NPT SCREW THREAD INSERT TAP

SKU: AT-STNPT66595
MPN: STNPT66595

Save $223.52
Alfa Tools STNPT66596 1-11 1/2 HSS NPT SCREW THREAD INSERT TAP

Alfa Tools STNPT66596 1-11 1/2 HSS NPT SCREW THREAD INSERT TAP

SKU: AT-STNPT66596
MPN: STNPT66596

Save $337.32
Alfa Tools TI66210 4-40 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66210 4-40 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66210
MPN: TI66210

Save $0.53
Alfa Tools TI66210B 4-40 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66210B 4-40 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66210B
MPN: TI66210B

Save $0.55
Alfa Tools TI66210K 4-40 HELICAL THREAD INSERT KIT

Alfa Tools TI66210K 4-40 HELICAL THREAD INSERT KIT

SKU: AT-TI66210K
MPN: TI66210K

Save $51.40
Alfa Tools TI66211 4-48 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66211 4-48 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66211
MPN: TI66211

Save $0.57
Alfa Tools TI66211B 4-48 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66211B 4-48 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66211B
MPN: TI66211B

Save $0.66
Alfa Tools TI66211K 4-48 X 1.5D HELICAL THREAD INSERT KIT

Alfa Tools TI66211K 4-48 X 1.5D HELICAL THREAD INSERT KIT

SKU: AT-TI66211K
MPN: TI66211K

Save $51.70
Alfa Tools TI66212 6-32 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66212 6-32 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66212
MPN: TI66212

Save $0.53
Alfa Tools TI66212B 6-32 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66212B 6-32 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66212B
MPN: TI66212B

Save $0.55
Alfa Tools TI66212K 6-32 HELICAL THREAD INSERT KIT

Alfa Tools TI66212K 6-32 HELICAL THREAD INSERT KIT

SKU: AT-TI66212K
MPN: TI66212K

Save $50.66
Alfa Tools TI66213 6-40 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66213 6-40 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66213
MPN: TI66213

Save $0.55
Alfa Tools TI66213B 6-40 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66213B 6-40 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66213B
MPN: TI66213B

Save $0.68
Alfa Tools TI66213K 6-40 X1.5D HELICAL THREAD INSERT KIT

Alfa Tools TI66213K 6-40 X1.5D HELICAL THREAD INSERT KIT

SKU: AT-TI66213K
MPN: TI66213K

Save $50.85
Alfa Tools TI66214 8-32 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66214 8-32 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66214
MPN: TI66214

Save $0.53
Alfa Tools TI66214B 8-32 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66214B 8-32 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66214B
MPN: TI66214B

Save $0.55
Alfa Tools TI66214K 8-32 HELICAL THREAD INSERT KIT

Alfa Tools TI66214K 8-32 HELICAL THREAD INSERT KIT

SKU: AT-TI66214K
MPN: TI66214K

Save $50.66
Alfa Tools TI66215 8-36 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66215 8-36 X 1.5D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66215
MPN: TI66215

Save $0.73
Alfa Tools TI66215B 8-36 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

Alfa Tools TI66215B 8-36 X 2D HELICAL THREAD INSERT - Std Qty Pack 10

SKU: AT-TI66215B
MPN: TI66215B

Save $0.73
Alfa Tools TI66215K 8-36 X 1.5D HELICAL THREAD INSERT KIT

Alfa Tools TI66215K 8-36 X 1.5D HELICAL THREAD INSERT KIT

SKU: AT-TI66215K
MPN: TI66215K

Save $46.03