AT Threading Tools
AT Threading Tools | Professional Metal Fabrication Solutions | Freer Tool
Shop professional-grade AT threading tools for precision metal fabrication and manufacturing.
Discover the AT Threading Tools collection at Freer Tool & Supply—your destination for high-precision taps, dies, thread repair kits, and specialty threading accessories. Engineered for accuracy, durability, and consistent performance, our threading tools are ideal for creating, repairing, and maintaining threads in metalworking, maintenance, and fabrication projects. Whether you’re working in a machine shop, repair facility, or industrial setting, AT Threading Tools deliver the reliability and results professionals count on.
MonoLock®, AlfaUSA®, and EcoPro® are industry-trusted brands available exclusively from Alfa Tools.
New for 2015 in Taps | Dies | Extractors | Thread | Inserts | Accessories
- high-performance coated taps, including multi-purpose taps
- specialty taps for low tensile and high tensile materials
- black oxide coated taps
- an enhanced range of standard special thread taps and dies
- Helical Thread Inserts
- screw Extractors
- tap Extractors
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Alfa Tools SI67521 10-32 NF SOLID THREAD INSERT - Std Qty Pack 10
SKU: AT-SI67521
MPN: SI67521
Alfa Tools SI67522 1/4-28 NF SOLID THREAD INSERT - Std Qty Pack 10
SKU: AT-SI67522
MPN: SI67522
Alfa Tools SI67523 5/16-24 NF SOLID THREAD INSERT - Std Qty Pack 10
SKU: AT-SI67523
MPN: SI67523
Alfa Tools SI67524 3/8-24 NF SOLID THREAD INSERT - Std Qty Pack 10
SKU: AT-SI67524
MPN: SI67524
Alfa Tools SI67525 7/16-20 NF SOLID THREAD INSERT - Std Qty Pack 10
SKU: AT-SI67525
MPN: SI67525
Alfa Tools SI67526 1/2-20 NF SOLID THREAD INSERT - Std Qty Pack 10
SKU: AT-SI67526
MPN: SI67526
Alfa Tools SI67527 9/16-18 NF SOLID THREAD INSERT - Std Qty Pack 5
SKU: AT-SI67527
MPN: SI67527
Alfa Tools SI67528 5/8-18 NF SOLID THREAD INSERT - Std Qty Pack 5
SKU: AT-SI67528
MPN: SI67528
Alfa Tools SI67529 3/4-16 NF SOLID THREAD INSERT - Std Qty Pack 5
SKU: AT-SI67529
MPN: SI67529
Alfa Tools SI67530 7/8-14 NF SOLID THREAD INSERT - Std Qty Pack 5
SKU: AT-SI67530
MPN: SI67530
Alfa Tools SI67531 1-14 NF SOLID THREAD INSERT - Std Qty Pack 5
SKU: AT-SI67531
MPN: SI67531
Alfa Tools SI67533 1/4-20 NC SOLID THREAD INSERT EXTRA HEAVY DUTY - Std Qty Pack 10
SKU: AT-SI67533
MPN: SI67533
Alfa Tools SI67534 5/16-18 NC SOLID THREAD INSERT EXTRA HEAVY DUTY - Std Qty Pack 10
SKU: AT-SI67534
MPN: SI67534
Alfa Tools SI67535 3/8-16 NC SOLID THREAD INSERT EXTRA HEAVY DUTY - Std Qty Pack 10
SKU: AT-SI67535
MPN: SI67535
Alfa Tools SI67536 1/2-13 NC SOLID THREAD INSERT EXTRA HEAVY DUTY - Std Qty Pack 10
SKU: AT-SI67536
MPN: SI67536
Alfa Tools SI67537 5/8-11 NC SOLID THREAD INSERT EXTRA HEAVY DUTY - Std Qty Pack 5
SKU: AT-SI67537
MPN: SI67537
Alfa Tools SIM67541 M6-1.0 NC SOLID THREAD INSERT - Std Qty Pack 10
SKU: AT-SIM67541
MPN: SIM67541
Alfa Tools SIM67542 M8-1.25 NC SOLID THREAD INSERT - Std Qty Pack 10
SKU: AT-SIM67542
MPN: SIM67542
Alfa Tools SIM67543 M10-1.50 NC SOLID THREAD INSERT - Std Qty Pack 10
SKU: AT-SIM67543
MPN: SIM67543
Alfa Tools SIM67544 M10-1.25 NC SOLID THREAD INSERT - Std Qty Pack 10
SKU: AT-SIM67544
MPN: SIM67544
Alfa Tools SIM67545 M12-1.75 NC SOLID THREAD INSERT - Std Qty Pack 10
SKU: AT-SIM67545
MPN: SIM67545
Alfa Tools SIM67546 M14-2.0 NC SOLID THREAD INSERT - Std Qty Pack 5
SKU: AT-SIM67546
MPN: SIM67546
Alfa Tools SIM67547 M16-2.0 NC SOLID THREAD INSERT - Std Qty Pack 5
SKU: AT-SIM67547
MPN: SIM67547
Alfa Tools SPT170103 2-56 HSS USA SPIRAL POINTED TAP - Std Qty Pack 12
SKU: AT-SPT170103
MPN: SPT170103