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AT REDUCED SHANK DRILLS

AT reduced shank drills—often called Silver & Deming drill bits—are designed to drill larger hole diameters while using a reduced shank size that fits common drill chucks (application dependent). They’re frequently used in fabrication and maintenance work when you need a larger drill diameter but want to run the tool in a standard 1/2" chuck without switching to specialty tooling.

Alfa Tools SDBB50414 47/64 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50414 47/64 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50414
MPN: SDBB50414

Save $36.62
Alfa Tools SDBB50414C 47/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50414C 47/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50414C
MPN: SDBB50414C

Save $39.30
Alfa Tools SDBB50415 3/4 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50415 3/4 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50415
MPN: SDBB50415

Save $36.09
Alfa Tools SDBB50415C 3/4 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50415C 3/4 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50415C
MPN: SDBB50415C

Save $38.77
Alfa Tools SDBB50416 25/32 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50416 25/32 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50416
MPN: SDBB50416

Save $39.56
Alfa Tools SDBB50416A 49/64 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50416A 49/64 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50416A
MPN: SDBB50416A

Save $39.01
Alfa Tools SDBB50416AC 49/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50416AC 49/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50416AC
MPN: SDBB50416AC

Save $41.68
Alfa Tools SDBB50416C 25/32 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50416C 25/32 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50416C
MPN: SDBB50416C

Save $42.24
Alfa Tools SDBB50417 13/16 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50417 13/16 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50417
MPN: SDBB50417

Save $40.54
Alfa Tools SDBB50417A 51/64 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50417A 51/64 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50417A
MPN: SDBB50417A

Save $40.54
Alfa Tools SDBB50417AC 51/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50417AC 51/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50417AC
MPN: SDBB50417AC

Save $43.21
Alfa Tools SDBB50417C 13/16 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50417C 13/16 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50417C
MPN: SDBB50417C

Save $43.21
Alfa Tools SDBB50418 27/32 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50418 27/32 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50418
MPN: SDBB50418

Save $42.66
Alfa Tools SDBB50418A 53/64 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50418A 53/64 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50418A
MPN: SDBB50418A

Save $42.66
Alfa Tools SDBB50418AC 53/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50418AC 53/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50418AC
MPN: SDBB50418AC

Save $45.34
Alfa Tools SDBB50418C 27/32 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50418C 27/32 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50418C
MPN: SDBB50418C

Save $45.34
Alfa Tools SDBB50419 7/8 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50419 7/8 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50419
MPN: SDBB50419

Save $43.28
Alfa Tools SDBB50419A 55/64 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50419A 55/64 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50419A
MPN: SDBB50419A

Save $43.94
Alfa Tools SDBB50419AC 55/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50419AC 55/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50419AC
MPN: SDBB50419AC

Save $46.62
Alfa Tools SDBB50419C 7/8 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50419C 7/8 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50419C
MPN: SDBB50419C

Save $45.96
Alfa Tools SDBB50420 29/32 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50420 29/32 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50420
MPN: SDBB50420

Save $47.23
Alfa Tools SDBB50420A 57/64 BLITZ BIT S&D DRILL 1/2" SHANK

Alfa Tools SDBB50420A 57/64 BLITZ BIT S&D DRILL 1/2" SHANK

SKU: AT-SDBB50420A
MPN: SDBB50420A

Save $46.51
Alfa Tools SDBB50420AC 57/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50420AC 57/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50420AC
MPN: SDBB50420AC

Save $49.19
Alfa Tools SDBB50420C 29/32 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

Alfa Tools SDBB50420C 29/32 BLITZ BIT S&D DRILL 1/2" SHANK CARDED

SKU: AT-SDBB50420C
MPN: SDBB50420C

Save $49.90