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AT Screw Machine Length Drills

AT screw machine length drills—often called stub length drill bits—are shorter-than-jobber drills designed for more rigid, controlled drilling. Because of their reduced length, screw machine drills can help minimize deflection and improve accuracy in many setups (application dependent), making them a popular choice for machining, fabrication, and production work where stability matters more than extra reach.

Alfa Tools SMCO50201 1/16 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50201 1/16 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50201
MPN: SMCO50201

Save $1.83
Alfa Tools SMCO50202 5/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50202 5/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50202
MPN: SMCO50202

Save $1.86
Alfa Tools SMCO50203 3/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50203 3/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50203
MPN: SMCO50203

Save $1.99
Alfa Tools SMCO50204 7/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50204 7/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50204
MPN: SMCO50204

Save $2.21
Alfa Tools SMCO50205 1/8 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50205 1/8 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50205
MPN: SMCO50205

Save $2.41
Alfa Tools SMCO50206 9/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50206 9/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50206
MPN: SMCO50206

Save $2.56
Alfa Tools SMCO50207 5/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50207 5/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50207
MPN: SMCO50207

Save $3.15
Alfa Tools SMCO50208 11/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50208 11/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50208
MPN: SMCO50208

Save $3.25
Alfa Tools SMCO50209 3/16 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50209 3/16 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50209
MPN: SMCO50209

Save $3.43
Alfa Tools SMCO50210 13/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50210 13/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50210
MPN: SMCO50210

Save $3.91
Alfa Tools SMCO50211 7/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50211 7/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50211
MPN: SMCO50211

Save $4.35
Alfa Tools SMCO50212 15/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50212 15/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50212
MPN: SMCO50212

Save $4.82
Alfa Tools SMCO50213 1/4 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50213 1/4 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50213
MPN: SMCO50213

Save $5.19
Alfa Tools SMCO50214 17/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50214 17/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50214
MPN: SMCO50214

Save $6
Alfa Tools SMCO50215 9/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50215 9/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50215
MPN: SMCO50215

Save $6.08
Alfa Tools SMCO50216 19/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50216 19/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50216
MPN: SMCO50216

Save $6.74
Alfa Tools SMCO50217 5/16 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

Alfa Tools SMCO50217 5/16 COBALT SCREW MACHINE DRILL - Std Qty Pack 12

SKU: AT-SMCO50217
MPN: SMCO50217

Save $7.55
Alfa Tools SMCO50218 21/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

Alfa Tools SMCO50218 21/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

SKU: AT-SMCO50218
MPN: SMCO50218

Save $8.40
Alfa Tools SMCO50219 11/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

Alfa Tools SMCO50219 11/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

SKU: AT-SMCO50219
MPN: SMCO50219

Save $9.07
Alfa Tools SMCO50220 23/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

Alfa Tools SMCO50220 23/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

SKU: AT-SMCO50220
MPN: SMCO50220

Save $9.37
Alfa Tools SMCO50221 3/8 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

Alfa Tools SMCO50221 3/8 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

SKU: AT-SMCO50221
MPN: SMCO50221

Save $10.76
Alfa Tools SMCO50222 25/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

Alfa Tools SMCO50222 25/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

SKU: AT-SMCO50222
MPN: SMCO50222

Save $11.97
Alfa Tools SMCO50223 13/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

Alfa Tools SMCO50223 13/32 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

SKU: AT-SMCO50223
MPN: SMCO50223

Save $12.44
Alfa Tools SMCO50224 27/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

Alfa Tools SMCO50224 27/64 COBALT SCREW MACHINE DRILL - Std Qty Pack 6

SKU: AT-SMCO50224
MPN: SMCO50224

Save $13.62