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 RS151855 27/64 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

Alfa Tools RS151855 27/64 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

SKU: AT-RS151855
MPN: RS151855

Sale price $10.07 List price $20.07
Save $10
Alfa Tools RS151855C 27/64 HSS ALFA USA 3/8 SHANK CARDED

Alfa Tools RS151855C 27/64 HSS ALFA USA 3/8 SHANK CARDED

SKU: AT-RS151855C
MPN: RS151855C

Sale price $13.04 List price $26.00
Save $12.96
Alfa Tools RS151857 7/16 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

Alfa Tools RS151857 7/16 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

SKU: AT-RS151857
MPN: RS151857

Sale price $10.94 List price $21.81
Save $10.87
Alfa Tools RS151857C 7/16 HSS ALFA USA 3/8 SHANK CARDED

Alfa Tools RS151857C 7/16 HSS ALFA USA 3/8 SHANK CARDED

SKU: AT-RS151857C
MPN: RS151857C

Sale price $13.91 List price $27.74
Save $13.83
Alfa Tools RS151859 29/64 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

Alfa Tools RS151859 29/64 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

SKU: AT-RS151859
MPN: RS151859

Sale price $10.94 List price $21.81
Save $10.87
Alfa Tools RS151859C 29/64 HSS ALFA USA 3/8 SHANK CARDED

Alfa Tools RS151859C 29/64 HSS ALFA USA 3/8 SHANK CARDED

SKU: AT-RS151859C
MPN: RS151859C

Sale price $13.91 List price $27.74
Save $13.83
Alfa Tools RS151861 15/32 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

Alfa Tools RS151861 15/32 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

SKU: AT-RS151861
MPN: RS151861

Sale price $12.63 List price $25.19
Save $12.56
Alfa Tools RS151861C 15/32 HSS ALFA USA 3/8 SHANK CARDED

Alfa Tools RS151861C 15/32 HSS ALFA USA 3/8 SHANK CARDED

SKU: AT-RS151861C
MPN: RS151861C

Sale price $15.60 List price $31.11
Save $15.51
Alfa Tools RS151863 31/64 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

Alfa Tools RS151863 31/64 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

SKU: AT-RS151863
MPN: RS151863

Sale price $12.63 List price $25.19
Save $12.56
Alfa Tools RS151863C 31/64 HSS ALFA USA 3/8 SHANK CARDED

Alfa Tools RS151863C 31/64 HSS ALFA USA 3/8 SHANK CARDED

SKU: AT-RS151863C
MPN: RS151863C

Sale price $15.60 List price $31.11
Save $15.51
Alfa Tools RS151865 1/2 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

Alfa Tools RS151865 1/2 HSS ALFA USA 3/8 SHANK DRILL - Std Qty Pack 6

SKU: AT-RS151865
MPN: RS151865

Sale price $13.65 List price $27.22
Save $13.57
Alfa Tools RS151865C 1/2 HSS ALFA USA 3/8 SHANK CARDED

Alfa Tools RS151865C 1/2 HSS ALFA USA 3/8 SHANK CARDED

SKU: AT-RS151865C
MPN: RS151865C

Sale price $16.62 List price $33.15
Save $16.53
Alfa Tools RS52423 1" HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52423 1" HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52423
MPN: RS52423

Sale price $48.74 List price $97.22
Save $48.48
Alfa Tools RS52425 1-1/16 HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52425 1-1/16 HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52425
MPN: RS52425

Sale price $54.92 List price $109.56
Save $54.64
Alfa Tools RS52427 1-1/8 HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52427 1-1/8 HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52427
MPN: RS52427

Sale price $59.99 List price $119.67
Save $59.68
Alfa Tools RS52429 1-3/16 HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52429 1-3/16 HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52429
MPN: RS52429

Sale price $67.54 List price $134.74
Save $67.20
Alfa Tools RS52431 1-1/4 HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52431 1-1/4 HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52431
MPN: RS52431

Sale price $73.82 List price $147.26
Save $73.44
Alfa Tools RS52433 1-5/16 HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52433 1-5/16 HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52433
MPN: RS52433

Sale price $75.26 List price $150.15
Save $74.89
Alfa Tools RS52435 1-3/8 HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52435 1-3/8 HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52435
MPN: RS52435

Sale price $82.54 List price $164.67
Save $82.13
Alfa Tools RS52437 1-7/16 HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52437 1-7/16 HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52437
MPN: RS52437

Sale price $92.40 List price $184.33
Save $91.93
Alfa Tools RS52439 1-1/2 HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52439 1-1/2 HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52439
MPN: RS52439

Sale price $102.48 List price $204.44
Save $101.96
Alfa Tools RS52441 1-9/16 HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52441 1-9/16 HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52441
MPN: RS52441

Sale price $154.53 List price $308.30
Save $153.77
Alfa Tools RS52443 1-5/8 HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52443 1-5/8 HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52443
MPN: RS52443

Sale price $161.42 List price $322.04
Save $160.62
Alfa Tools RS52445 1-11/16 HSS S&D DRILL 3/4" SHANK

Alfa Tools RS52445 1-11/16 HSS S&D DRILL 3/4" SHANK

SKU: AT-RS52445
MPN: RS52445

Sale price $169.74 List price $338.63
Save $168.89