AT REDUCED SHANK DRILLS

AT Reduced Shank Drills—also known as Silver & Deming drill bits—are heavy-duty drilling tools designed to produce large-diameter holes while fitting standard drill chucks. Featuring a reduced shank, these drill bits allow larger cutting diameters to be used with common 1/2-inch drill chucks, eliminating the need for specialized tooling in many applications.


Alfa Tools SD50428 1-5/32 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50428 1-5/32 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50428
MPN: SD50428

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Alfa Tools SD50428A 1-9/64 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50428A 1-9/64 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50428A
MPN: SD50428A

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Alfa Tools SD50429 1.3/16 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50429 1.3/16 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50429
MPN: SD50429

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Alfa Tools SD50429A 1-11/64 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50429A 1-11/64 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50429A
MPN: SD50429A

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Alfa Tools SD50430 1-7/32 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50430 1-7/32 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50430
MPN: SD50430

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Alfa Tools SD50430A 1-13/64 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50430A 1-13/64 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50430A
MPN: SD50430A

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Alfa Tools SD50431 1.1/4 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50431 1.1/4 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50431
MPN: SD50431

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Alfa Tools SD50431A 1-15/64 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50431A 1-15/64 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50431A
MPN: SD50431A

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Alfa Tools SD50432 1-9/32 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50432 1-9/32 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50432
MPN: SD50432

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Alfa Tools SD50433 1.5/16 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50433 1.5/16 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50433
MPN: SD50433

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Alfa Tools SD50434 1-11/32 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50434 1-11/32 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50434
MPN: SD50434

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Alfa Tools SD50435 1.3/8 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50435 1.3/8 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50435
MPN: SD50435

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Alfa Tools SD50436 1-13/32 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50436 1-13/32 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50436
MPN: SD50436

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Alfa Tools SD50436A 1-25/64 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50436A 1-25/64 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50436A
MPN: SD50436A

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Alfa Tools SD50437 1.7/16 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50437 1.7/16 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50437
MPN: SD50437

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Alfa Tools SD50438 1-15/32 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50438 1-15/32 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50438
MPN: SD50438

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Alfa Tools SD50439 1.1/2 HSS 1/2 SHANK SILVER & DEMING DRILL

Alfa Tools SD50439 1.1/2 HSS 1/2 SHANK SILVER & DEMING DRILL

SKU: AT-SD50439
MPN: SD50439

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Alfa Tools SD50449A 8PC HSS SILVER & DEMING DRILL SET

Alfa Tools SD50449A 8PC HSS SILVER & DEMING DRILL SET

SKU: AT-SD50449A
MPN: SD50449A

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Alfa Tools SD50449PL 8 PC 9/16-1" USA SILVER & DEMING SET PLASTIC CASE

Alfa Tools SD50449PL 8 PC 9/16-1" USA SILVER & DEMING SET PLASTIC CASE

SKU: AT-SD50449PL
MPN: SD50449PL

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Alfa Tools SD50450 33PC HSS SILVER & DEMING SET IN STEEL STAND

Alfa Tools SD50450 33PC HSS SILVER & DEMING SET IN STEEL STAND

SKU: AT-SD50450
MPN: SD50450

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Alfa Tools SDBB50400 33/64 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50400 33/64 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50400
MPN: SDBB50400

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Alfa Tools SDBB50400C 33/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50400C 33/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50400C
MPN: SDBB50400C

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Alfa Tools SDBB50401 17/32 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50401 17/32 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50401
MPN: SDBB50401

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Alfa Tools SDBB50401C 17/32 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50401C 17/32 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50401C
MPN: SDBB50401C

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