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Combination Drill and Taps

HS National Coarse Combined Drills and Taps

Drill and thread holes in a single pass with this combination drill tap.
Used for through holes of up to twice the depth of the tap diameter.

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description NC Size Thread Length Drill Length

$13.75 CDT-4-40
#4-40 HSS Combined Drill and Tap, 0335-0200 4-40 9/16" 1/4"

$13.75 CDT-5-40
#5-40 HSS Combined Drill and Tap, 0335-0210 5-40 5/8" 9/32"

$13.60 CDT-6-32
#6-32 HSS Combined Drill and Tap, 0335-0005 6-32 11/16" 5/16"

$13.60 CDT-8-32
#8-32 HSS Combined Drill and Tap, 0335-0010 8-32 3/4" 3/8"

$14.65 CDT-10-24
#10-24 HSS Combined Drill and Tap, 0335-0015 10-24 7/8" 13/32

$14.70 CDT-12-24
#12-24 HSS Combined Drill and Tap, 0335-0240 12-24 7/8" 13/32

$13.60 CDT-1/4-20
1/4"-20 HSS Combined Drill and Tap, 0335-0025 1/4-20 15/16 17/32

$19.60 CDT-5/16-18
5/16"-18 HSS Combined Drill and Tap, 0335-0035 5/16-18 1-1/8 11/16"

$22.45 CDT-3/8-16
3/8"-16 HSS Combined Drill and Tap, 0335-0045 3/8-16 1-1/4 13/16

$27.95 CDT-7/16-14
7/16"-14 HSS Combined Drill and Tap, 0335-0080 7/16-14 1-7/16 1"

$31.40 CDT-1/2-13
1/2"-13 HSS Combined Drill and Tap, 0335-0090 1/2-13 1-21/32 1-1/8

National Fine HS Combined Drills and Taps

Drill and thread holes in a single pass with a combination drill tap.
Used for through holes of up to twice the depth of the tap diameter.

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description NF Size Thread Length Drill Length

$14.65 CDT-10-32
#10-32 HSS Combined Drill and Tap, 0335-0020 10-32 7/8" 13/32

$13.60 CDT-1/4-28
1/4"-28 HSS Combined Drill and Tap, 0335-0030 1/4-28 15/16 17/32

$19.60 CDT-5/16-24
5/16"-24 HSS Combined Drill and Tap, 0335-0040 5/16-24 1-1/8 11/16"

$22.45 CDT-3/8-24
3/8"-24 HSS Combined Drill and Tap, 0335-0275 3/8-24 1-1/4 13/16

$27.95 CDT-7/16-20
7/16"-20 HSS Combined Drill and Tap, 0335-0085 7/16-20 1-7/16 1"

$31.40 CDT-1/2-20
1/2"-20 HSS Combined Drill and Tap, 0335-0095 1/2-20 1-21/32 1-1/8

NPT HS Combined Drills and Pipe Taps

Drill and thread holes in a single pass.
Use these combination drills and taps for National Pipe Taper threads.

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description Size Length

$43.45 CDPT-1/16
Combined Drill/Pipe Tap NPT HSS, 1/16"-27 NPT, 0335-0470 1/16-27 2 13/16"

$54.50 CDPT-1/8
Combined Drill/Pipe Tap NPT HSS, 1/8"-27 NPT, 0335-0475 1/8-27 2 7/8
Out of stock
$60.25 CDPT-1/4
Combined Drill/Pipe Tap NPT HSS, 1/4"-18 NPT, 0335-0480 1/4-18 3 5/16

$69.30 CDPT-3/8
Combined Drill/Pipe Tap NPT HSS, 3/8"-18 NPT, 0335-0485 3/8-18 3 1/2

$108.00 CDPT-1/2
Combined Drill/Pipe Tap NPT HSS, 1/2"-14 NPT, 0335-0490 1/2-14 4 3/8
Out of stock
$149.60 CDPT-3/4
Combined Drill/Pipe Tap NPT HSS, 3/4"-14 NPT, 0335-0495 3/4-14 4 9/16

$214.50 CDPT-1
Combined Drill/Pipe Tap NPT HSS, 1"-11 1/2 NPT, 0335-0500 1"-11-1/2 5 3/8

Tapfree 2 Cutting Fluid

We have temporarily removed these items from our catalog while we re-organize our inventory.
Tapfree 2 Cutting Fluid.
For all metals except magnesium.
Environmentally safe, water-based fluid.
Used for tapping, milling, drilling, etc.
Quickly penetrates to the cutting edge and reduces friction and heat generated during cutting.
Safer than chlorinated solvents or oils.
Intended to be used full strength (primarily through misting or direct application), and not in recirculators. The viscosity of these fluids makes pumping difficult.

Please note: these cutting and tapping fluids ship by GROUND ONLY !
These products are NOT available for export.
Quantity Price Model Description
Out of stock
$11.16 CF-T2-PT
Tapfree 2, Pint WT:6720-70
Out of stock
$62.40 CF-T2-GA
Tapfree 2, Gallon

Straight Tap Wrenches

Straight-arm tap wrenches.
Straight tap wrenches provide greater force than t-handle tap wrenches.

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description Hand Taps # Size Taps Pipe Taps MM Taps Approx. Length

$5.20 STW-A
1/16" - 1/4" Straight Tap Wrench 0373-0005 1/16" - 1/4" 0-14 - 1 -5mm 7"

$7.20 STW-B
1/16" - 3/8" Straight Tap Wrench 0373-0010 1/16" - 3/8" 4-14 1/16" 3 - 9mm 8"

$8.50 STW-C
5/32" - 1/2" Straight Tap Wrench 0373-0015 5/32" - 1/2" 7-14 1/16-1/8" 4 - 12mm 10-12" (varies)

$12.50 STW-D
3/16" - 3/4" Straight Tap Wrench 0373-0020 3/16" - 3/4" 10-14 1/16 - 1/4" 5 - 18mm 13"

$17.50 STW-E
1/4" - 1-1/8" Straight Tap Wrench 0373-0025 1/4" - 1 1/8" - 1/8 - 1/2" 6 - 28mm 19"

$54.00 STW-G
3/4" - 1-1/2" Straight Tap Wrench 0373-0050 3/4" - 1 1/2" - 3/8 - 1 1/4" 19 - 38mm 35"

$96.00 STW-H
1" - 2-1/2" Straight Tap Wrench 0373-0060 1" - 2 1/2" - 3/4 - 2" 25 -65mm 55"