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
SKU: AT-SDBB50414
MPN: SDBB50414
Alfa Tools SDBB50414C 47/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50414C
MPN: SDBB50414C
Alfa Tools SDBB50415 3/4 BLITZ BIT S&D DRILL 1/2" SHANK
SKU: AT-SDBB50415
MPN: SDBB50415
Alfa Tools SDBB50415C 3/4 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50415C
MPN: SDBB50415C
Alfa Tools SDBB50416 25/32 BLITZ BIT S&D DRILL 1/2" SHANK
SKU: AT-SDBB50416
MPN: SDBB50416
Alfa Tools SDBB50416A 49/64 BLITZ BIT S&D DRILL 1/2" SHANK
SKU: AT-SDBB50416A
MPN: SDBB50416A
Alfa Tools SDBB50416AC 49/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50416AC
MPN: SDBB50416AC
Alfa Tools SDBB50416C 25/32 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50416C
MPN: SDBB50416C
Alfa Tools SDBB50417 13/16 BLITZ BIT S&D DRILL 1/2" SHANK
SKU: AT-SDBB50417
MPN: SDBB50417
Alfa Tools SDBB50417A 51/64 BLITZ BIT S&D DRILL 1/2" SHANK
SKU: AT-SDBB50417A
MPN: SDBB50417A
Alfa Tools SDBB50417AC 51/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50417AC
MPN: SDBB50417AC
Alfa Tools SDBB50417C 13/16 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50417C
MPN: SDBB50417C
Alfa Tools SDBB50418 27/32 BLITZ BIT S&D DRILL 1/2" SHANK
SKU: AT-SDBB50418
MPN: SDBB50418
Alfa Tools SDBB50418A 53/64 BLITZ BIT S&D DRILL 1/2" SHANK
SKU: AT-SDBB50418A
MPN: SDBB50418A
Alfa Tools SDBB50418AC 53/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50418AC
MPN: SDBB50418AC
Alfa Tools SDBB50418C 27/32 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50418C
MPN: SDBB50418C
Alfa Tools SDBB50419 7/8 BLITZ BIT S&D DRILL 1/2" SHANK
SKU: AT-SDBB50419
MPN: SDBB50419
Alfa Tools SDBB50419A 55/64 BLITZ BIT S&D DRILL 1/2" SHANK
SKU: AT-SDBB50419A
MPN: SDBB50419A
Alfa Tools SDBB50419AC 55/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50419AC
MPN: SDBB50419AC
Alfa Tools SDBB50419C 7/8 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50419C
MPN: SDBB50419C
Alfa Tools SDBB50420 29/32 BLITZ BIT S&D DRILL 1/2" SHANK
SKU: AT-SDBB50420
MPN: SDBB50420
Alfa Tools SDBB50420A 57/64 BLITZ BIT S&D DRILL 1/2" SHANK
SKU: AT-SDBB50420A
MPN: SDBB50420A
Alfa Tools SDBB50420AC 57/64 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50420AC
MPN: SDBB50420AC
Alfa Tools SDBB50420C 29/32 BLITZ BIT S&D DRILL 1/2" SHANK CARDED
SKU: AT-SDBB50420C
MPN: SDBB50420C