AT Combination Drill & Tap

AT combination drill taps—often called drill tap bits or drill/tap combo tools—are designed to drill and tap in one tool, helping streamline thread creation when the application and material are a good fit. They’re commonly used in fabrication and maintenance work to reduce tool changes and speed up workflow for common thread sizes (results depend on material, thickness, and setup).


Alfa Tools DTML66103 6-32 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

Alfa Tools DTML66103 6-32 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

SKU: AT-DTML66103
MPN: DTML66103

Regular price $240.00
Alfa Tools DTML66104 8-32 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

Alfa Tools DTML66104 8-32 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

SKU: AT-DTML66104
MPN: DTML66104

Regular price $240.00
Alfa Tools DTML66105 10-24 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

Alfa Tools DTML66105 10-24 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

SKU: AT-DTML66105
MPN: DTML66105

Regular price $256.68
Alfa Tools DTML66106 10-32 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

Alfa Tools DTML66106 10-32 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

SKU: AT-DTML66106
MPN: DTML66106

Regular price $256.68
Alfa Tools DTML66106A 12-24 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

Alfa Tools DTML66106A 12-24 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

SKU: AT-DTML66106A
MPN: DTML66106A

Regular price $272.52
Alfa Tools DTML66106B 12-28 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

Alfa Tools DTML66106B 12-28 HSS COMBINATION DRILL TAP 1/4 HEX SHANK - Std Qty Pack 12

SKU: AT-DTML66106B
MPN: DTML66106B

Regular price $272.52
Alfa Tools DTML66107 1/4-20 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 12

Alfa Tools DTML66107 1/4-20 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 12

SKU: AT-DTML66107
MPN: DTML66107

Regular price $272.52
Alfa Tools DTML66108 1/4-28 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 12

Alfa Tools DTML66108 1/4-28 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 12

SKU: AT-DTML66108
MPN: DTML66108

Regular price $272.52
Alfa Tools DTML66109 5/16-18 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 6

Alfa Tools DTML66109 5/16-18 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 6

SKU: AT-DTML66109
MPN: DTML66109

Regular price $147.72
Alfa Tools DTML66110 5/16-24 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 6

Alfa Tools DTML66110 5/16-24 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 6

SKU: AT-DTML66110
MPN: DTML66110

Regular price $147.72
Alfa Tools DTML66111 3/8-16 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 6

Alfa Tools DTML66111 3/8-16 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 6

SKU: AT-DTML66111
MPN: DTML66111

Regular price $160.86
Alfa Tools DTML66112 3/8-24 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 6

Alfa Tools DTML66112 3/8-24 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 6

SKU: AT-DTML66112
MPN: DTML66112

Regular price $160.86
Alfa Tools DTML66113 7/16-14 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 3

Alfa Tools DTML66113 7/16-14 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 3

SKU: AT-DTML66113
MPN: DTML66113

Regular price $107.22
Alfa Tools DTML66114 7/16-20 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 3

Alfa Tools DTML66114 7/16-20 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 3

SKU: AT-DTML66114
MPN: DTML66114

Regular price $107.22
Alfa Tools DTML66115 1/2-13 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 3

Alfa Tools DTML66115 1/2-13 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 3

SKU: AT-DTML66115
MPN: DTML66115

Regular price $119.04
Alfa Tools DTML66116 1/2-20 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 3

Alfa Tools DTML66116 1/2-20 HSS COMBINATION DRILL TAP 1/4 SHANK - Std Qty Pack 3

SKU: AT-DTML66116
MPN: DTML66116

Regular price $119.04
Alfa Tools DTML66117 5/8-11 HSS COMBINATION DRILL TAP 1/4 SHANK

Alfa Tools DTML66117 5/8-11 HSS COMBINATION DRILL TAP 1/4 SHANK

SKU: AT-DTML66117
MPN: DTML66117

Sale price $54.75 List price $109.24
Save $54.49
Alfa Tools DTML66120 16 PC COMBINED DRILL-TAP BIT SET

Alfa Tools DTML66120 16 PC COMBINED DRILL-TAP BIT SET

SKU: AT-DTML66120
MPN: DTML66120

Sale price $444.04 List price $885.89
Save $441.85