Alfa Tools General Product Catalog

Combination Drill & Tap

Premium High-Speed Steel

Features:

1/4" Hex Power Shank 2 Flutes 135 O Split Point Bright Finish

• Drill Taps create the hole and thread in one pass, no center drilling or punching required. • Point is self-centering. • Designed to drill and tap through holes up to 2X nominal diameter The drill section must fully penetrate the material before tapping begins • Spindle speeds should be set at normal speed for tapping specific material being machined; as with any tapping operation, a reversing spindle is required. • Hex power shank makes it suitable for cordless drills.

Combination Drill & Tap

MACHINE SCREW & FRACTIONAL

NEW!

OVERALL LENGTH

THREAD LENGTH

DRILL

DRILL

SIZE

PITCH

STOCK #

LENGTH DIAMETER

32 NC 32 NC 24 NC 32 NF 24 NC 28 NF 20 NC 28 NF 18 NC 24 NF 16 NC 24 NF 14 NC 20 NF 13 NC 20 NF 11 NC

3

7/16 1/2 5/8 5/8

5/16 3/8 13/32 13/32 15/32 15/32 17/32 17/32 11/16 11/16 13/16 13/16

.112 .138 .155 .164 .180 .180 .208 .220 .266 .277 .322 .340 .377 .395 .435 .458 .548

DTML66103 DTML66104 DTML66105 DTML66106 DTML66106A DTML66106B DTML66107 DTML66108 DTML66109 DTML66110 DTML66111 DTML66112 DTML66113 DTML66114 DTML66115 DTML66116

6 8

3-1/8 3-3/8 3-3/8 3-3/8 3-3/8 3-1/2 3-1/2

10 10 12 12

A

21/32 21/32 25/32 25/32 15/16 15/16 1-1/16 1-1/16 1-1/4 1-1/4 1-3/8 1-3/8 1-3/4

1/4 1/4

3-27/32 3-27/32 4-3/8 4-3/8 4-3/4 4-3/4 5-1/16 5-1/16 6-1/16

5/16 5/16

3/8 3/8

1 1

7/16 7/16

1-1/8 1-1/8 1-1/2

1/2 1/2 5/8

DTML66117 6 to 1/4", 12 per pack, 5/16" to 3/8", 6 per pack, 7/16" to 1/2", 3 per pack, 5/8", 1 per pack

DRILL & TAP SET IN DELUXE METAL INDEX

HSA51072 (Sold Separately) See page A75

SET QTY.

SIZES

STOCK #

Contains one each size: 6-32, 8-32, 10-24, 10-32, 12-24, 12-28, 1/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, 1/2"-13, 1/2"-20

DTML66120

16 Pc.

DTML66120

Available TiN coated. Details on request.

A-57