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 SDM50483 20.5 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50483 20.5 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50483
MPN: SDM50483

Sale price $21.02 List price $41.93
Save $20.91
Alfa Tools SDM50485 21.0 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50485 21.0 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50485
MPN: SDM50485

Sale price $21.02 List price $41.93
Save $20.91
Alfa Tools SDM50487 21.5 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50487 21.5 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50487
MPN: SDM50487

Sale price $21.02 List price $41.93
Save $20.91
Alfa Tools SDM50489 22.0 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50489 22.0 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50489
MPN: SDM50489

Sale price $21.02 List price $41.93
Save $20.91
Alfa Tools SDM50491 22.5 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50491 22.5 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50491
MPN: SDM50491

Sale price $22.04 List price $43.96
Save $21.92
Alfa Tools SDM50493 23.0 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50493 23.0 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50493
MPN: SDM50493

Sale price $22.04 List price $43.96
Save $21.92
Alfa Tools SDM50495 23.5 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50495 23.5 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50495
MPN: SDM50495

Sale price $23.99 List price $47.85
Save $23.86
Alfa Tools SDM50497 24.0 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50497 24.0 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50497
MPN: SDM50497

Sale price $23.99 List price $47.85
Save $23.86
Alfa Tools SDM50499 24.5MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50499 24.5MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50499
MPN: SDM50499

Sale price $25.59 List price $51.04
Save $25.45
Alfa Tools SDM50500 25.0 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50500 25.0 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50500
MPN: SDM50500

Sale price $25.59 List price $51.04
Save $25.45
Alfa Tools SDM50501 25.5 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50501 25.5 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50501
MPN: SDM50501

Sale price $43.07 List price $85.93
Save $42.86
Alfa Tools SDM50503 26 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50503 26 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50503
MPN: SDM50503

Sale price $43.07 List price $85.93
Save $42.86
Alfa Tools SDM50505 26.5 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50505 26.5 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50505
MPN: SDM50505

Sale price $43.07 List price $85.93
Save $42.86
Alfa Tools SDM50507 27 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50507 27 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50507
MPN: SDM50507

Sale price $43.07 List price $85.93
Save $42.86
Alfa Tools SDM50509 27.5 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50509 27.5 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50509
MPN: SDM50509

Sale price $45.80 List price $91.37
Save $45.57
Alfa Tools SDM50511 28 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50511 28 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50511
MPN: SDM50511

Sale price $45.80 List price $91.37
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Alfa Tools SDM50513 28.5 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50513 28.5 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50513
MPN: SDM50513

Sale price $55.72 List price $111.15
Save $55.43
Alfa Tools SDM50515 29 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50515 29 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50515
MPN: SDM50515

Sale price $55.72 List price $111.15
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Alfa Tools SDM50519 30 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50519 30 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50519
MPN: SDM50519

Sale price $55.72 List price $111.15
Save $55.43
Alfa Tools SDM50521 30.5 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50521 30.5 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50521
MPN: SDM50521

Sale price $58.48 List price $116.67
Save $58.19
Alfa Tools SDM50523 31 MM HSS METRIC SILVER & DEMING DRILL

Alfa Tools SDM50523 31 MM HSS METRIC SILVER & DEMING DRILL

SKU: AT-SDM50523
MPN: SDM50523

Sale price $58.48 List price $116.67
Save $58.19