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HS Round Dies, NC and NF

National Coarse Thread Adjustable Round Split Dies

High Speed Steel. For cutting external threads.
Adjustment screw allows die to be set for different classes of fit.
Can be used to cut new threads or clean up existing threads.
Pitches not found in the listings for National Coarse or National Fine are listed as Special Pitch Dies.

Follow this link to see the corresponding Taps for these Dies.

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description Size Threads Per Inch O.D.

$6.60 RD-1-64-A
#1-64 HS 13/16" OD Die #1 64 13/16"

$6.60 RD-2-56-A
#2-56 HS 13/16" OD Die #2 56 13/16"

$6.60 RD-3-48-A
#3-48 HS 13/16" OD Die #3 48 13/16"

$6.60 RD-4-40-A
#4-40 HS 13/16" OD Die #4 40 13/16"

$6.60 RD-5-40-A
#5-40 HS 13/16" OD Die #5 40 13/16"

$6.60 RD-6-32-A
#6-32 HS 13/16" OD Die #6 32 13/16"

$6.60 RD-8-32-A
#8-32 HS 13/16" OD Die #8 32 13/16"

$6.60 RD-10-24-A
#10-24 HS 13/16" OD Die #10 24 13/16"

$6.60 RD-12-24-A
#12-24 HS 13/16" OD Die #12 24 13/16"

$7.50 RD-1-64-B
#1-64 HS Die, 1" OD #1 64 1"

$7.50 RD-2-56-B
#2-56 HS Die, 1" OD #2 56 1"

$7.50 RD-3-48-B
#3-48 HS Die, 1" OD #3 48 1"

$7.50 RD-4-40-B
#4-40 HS Die, 1" OD #4 40 1"

$7.50 RD-5-40-B
#5-40 HS Die, 1" OD #5 40 1"

$7.50 RD-6-32-B
#6-32 HS Die, 1" OD #6 32 1"

$7.50 RD-8-32-B
#8-32 HS Die, 1" OD #8 32 1"

$7.50 RD-10-24-B
#10-24 HS Die, 1" OD #10 24 1"

$7.50 RD-12-24-B
#12-24 HS Die, 1" OD #12 24 1"

$7.50 RD-1/4-20-B
1/4"-20 HS Die, 1" OD 1/4" 20 1"

$7.50 RD-5/16-18-B
5/16"-18 HS Die, 1" OD 5/16" 18 1"

$7.50 RD-3/8-16-B
3/8"-16 HS Die, 1" OD 3/8" 16 1"

$7.50 RD-7/16-14-B
7/16"-14 HS Die, 1" OD 7/16" 14 1"

$7.50 RD-1/2-13-B
1/2"-13 HS Die, 1" OD 1/2" 13 1"

$12.60 RD-1/4-20-C
1/4"-20 HS Die, 1-1/2" OD 1/4" 20 1 1/2"

$12.60 RD-5/16-18-C
5/16"-18 HS Die, 1-1/2" OD 5/16" 18 1 1/2"

$12.60 RD-3/8-16-C
3/8"-16 HS Die, 1-1/2" OD 3/8" 16 1 1/2"

$12.60 RD-7/16-14-C
7/16"-14 HS Die, 1-1/2" OD 7/16" 14 1 1/2"

$12.60 RD-1/2-13-C
1/2"-13 HS Die, 1-1/2" OD 1/2" 13 1 1/2"

$12.60 RD-9/16-12-C
9/16"-12 HS Die, 1-1/2" OD 9/16" 12 1 1/2"

$12.60 RD-5/8-11-C
5/8"-11 HS Die, 1-1/2" OD 5/8" 11 1 1/2"

$12.60 RD-3/4-10-C
3/4"-10 HS Die, 1-1/2" OD 3/4" 10 1 1/2"

$22.20 RD-1/4-20-D
1/4"-20 HS Die, 2" OD 1/4" 20 2"

$22.20 RD-5/16-18-D
5/16"-18 HS Die, 2" OD 5/16" 18 2"

$22.20 RD-3/8-16-D
3/8"-16 HS Die, 2" OD 3/8" 16 2"

$22.20 RD-7/16-14-D
7/16"-14 HS Die, 2" OD 7/16" 14 2"

$22.20 RD-1/2-13-D
1/2"-13 HS Die, 2" OD 1/2" 13 2"

$22.20 RD-9/16-12-D
9/16"-12 HS Die, 2" OD 9/16" 12 2"

$22.20 RD-5/8-11-D
5/8"-11 HS Die, 2" OD 5/8" 11 2"

$22.20 RD-3/4-10-D
3/4"-10 HS Die, 2" OD 3/4" 10 2"

$22.20 RD-7/8-9-D
7/8"-9 HS Die, 2" OD 7/8" 9 2"

$22.20 RD-1-8-D
1"-8 HS Die, 2" OD 1" 8 2"

$42.50 RD-1-1/8-7-E
1 1/8"-7 HS Die, 2-1/2" OD 1 1/8" 7 2 1/2"

$42.50 RD-1-1/4-7-E
1 1/4"-7 HS Die, 2-1/2" OD 1 1/4" 7 2 1/2"

$42.50 RD-1-3/8-6-E
1 3/8"-6 HS Die, 2-1/2" OD 1 3/8" 6 2 1/2"

$42.50 RD-1-1/2-6-E
1 1/2"-6 HS Die, 2-1/2" OD 1 1/2" 6 2 1/2"

National Fine Adjustable Round Split Dies

High Speed Steel. For cutting external threads.
Adjustment screw allows die to be set for different classes of fit.
Can be used to cut new threads or clean up existing threads.
Pitches not found in the listings for National Coarse or National Fine are listed as Special Pitch Dies.

Follow this link to see the corresponding Taps for these Dies.

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description Size Threads Per Inch O.D.

$6.60 RD-0-80-A
#0-80 HS Die, 13/16" OD #0 80 13/16"

$6.60 RD-1-72-A
#1-72 HS Die, 13/16" OD #1 72 13/16"

$6.60 RD-2-64-A
#2-64 HS Die, 13/16" OD #2 64 13/16"

$6.60 RD-3-56-A
#3-56 HS Die, 13/16" OD #3 56 13/16"

$6.60 RD-4-48-A
#4-48 HS Die, 13/16" OD #4 48 13/16"

$6.60 RD-5-44-A
#5-44 HS Die, 13/16" OD #5 44 13/16"

$6.60 RD-6-40-A
#6-40 HS Die, 13/16" OD #6 40 13/16"

$6.60 RD-8-36-A
#8-36 HS Die, 13/16" OD #8 36 13/16"

$6.60 RD-10-32-A
#10-32 HS Die, 13/16" OD #10 32 13/16"

$6.60 RD-12-28-A
#12-28 HS Die, 13/16" OD #12 28 13/16"

$7.50 RD-0-80-B
#0-80 HS Die, 1" OD #0 80 1"

$7.50 RD-1-72-B
#1-72 HS Die, 1" OD #1 72 1"

$7.50 RD-2-64-B
#2-64 HS Die, 1" OD #2 64 1"

$7.50 RD-3-56-B
#3-56 HS Die, 1" OD #3 56 1"

$7.50 RD-4-48-B
#4-48 HS Die, 1" OD #4 48 1"

$7.50 RD-5-44-B
#5-44 HS Die, 1" OD #5 44 1"

$7.50 RD-6-40-B
#6-40 HS Die, 1" OD #6 40 1"

$7.50 RD-8-36-B
#8 36- HS Die, 1" OD #8 36 1"

$7.50 RD-10-32-B
#10-32 HS Die, 1" OD #10 32 1"

$7.50 RD-12-28-B
#12-28 HS Die, 1" OD #12 28 1"

$7.50 RD-1/4-28-B
1/4"-28 HS Die, 1" OD 1/4" 28 1"

$7.50 RD-5/16-24-B
5/16"-24 HS Die, 1" OD 5/16" 24 1"

$7.50 RD-3/8-24-B
3/8"-24 HS Die, 1" OD 3/8" 24 1"

$7.50 RD-7/16-20-B
7/16"-20 HS Die, 1" OD 7/16" 20 1"

$7.50 RD-1/2-20-B
1/2"-20 HS Die, 1" OD 1/2" 20 1"

$12.60 RD-1/4-28-C
1/4"-28 HS Die, 1-1/2" OD 1/4" 28 1 1/2"

$12.60 RD-5/16-24-C
5/16"-24 HS Die, 1-1/2" OD 5/16" 24 1 1/2"

$12.60 RD-3/8-24-C
3/8"-24 HS Die, 1-1/2" OD 3/8" 24 1 1/2"

$12.60 RD-7/16-20-C
7/16"-20 HS Die, 1-1/2" OD 7/16" 20 1 1/2"

$12.60 RD-1/2-20-C
1/2"-20 HS Die, 1-1/2" OD 1/2" 20 1 1/2"

$12.60 RD-9/16-18-C
9/16"-18 HS Die, 1-1/2" OD 9/16" 18 1 1/2"

$12.60 RD-5/8-18-C
5/8"-18 HS Die, 1-1/2" OD 5/8" 18 1 1/2"

$12.60 RD-3/4-16-C
3/4"-16" HS Die, 1-1/2" OD 3/4" 16 1 1/2"

$22.20 RD-1/4-28-D
1/4"-28 HS Die, 2" OD 1/4" 28 2"

$22.20 RD-5/16-24-D
5/16"-24 HS Die, 2" OD 5/16" 24 2"

$22.20 RD-3/8-24-D
3/8"-24 HS Die, 2" OD 3/8" 24 2"

$22.20 RD-7/16-20-D
7/16"-20 HS Die, 2" OD 7/16" 20 2"

$22.20 RD-1/2-20-D
1/2"-20 HS Die, 2" OD 1/2" 20 2"

$22.20 RD-9/16-18-D
9/16"-18 HS Die, 2" OD 9/16" 18 2"

$22.20 RD-5/8-18-D
5/8"-18 HS Die, 2" OD 5/8" 18 2"

$22.20 RD-3/4-16-D
3/4"-16" HS Die, 2" OD 3/4" 16 2"

$22.20 RD-7/8-14-D
7/8"-14 HS Die, 2" OD 7/8" 14 2"

$22.20 RD-1-14-D
1"-14 HS Die, 2" OD 1" 14 2"

$42.50 RD-1-14-E
1"-14 HS Die, 2-1/2" OD (limited quantity) 1" 14 2 1/2"

$42.50 RD-1-1/8-12-E
1 1/8"-12 HS Die, 2-1/2" OD 1 1/8" 12 2 1/2"

$42.50 RD-1-1/4-12-E
1 1/4"-12 HS Die, 2-1/2" OD 1 1/4" 12 2 1/2"

$42.50 RD-1-3/8-12-E
1 3/8"-12 HS Die, 2-1/2" OD 1 3/8" 12 2 1/2"

$42.50 RD-1-1/2-12-E
1 1/2"-12 HS Die, 2-1/2" OD 1 1/2" 12 2 1/2"

Tapfree 2 Cutting Fluid

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 fluids ship by GROUND ONLY !
These products are NOT available for export.
Quantity Price Model Description

$8.80 CF-T2-PT
Tapfree 2, Pint

$49.50 CF-T2-GA
Tapfree 2, Gallon

Die Stocks For Adjustable Round Split Dies

Die Stocks for holding round threading dies.
Straight-arm die stocks for manual threading.

A 1" Die Stock holds 1" Outside Diameter (OD) dies, a DS-2 holds 2" OD dies, etc.

Follow this link to explore our complete offering of taps, dies, and other threading tools.
Quantity Price Model Description Holds Dies of OD: Approx. Length:

$3.90 DS-5/8
5/8" Die Stock 5/8" 5.5"

$3.90 DS-13/16
13/16" Die Stock 13/16" 6.25"

$4.90 DS-1
1" Die Stock 1" 8.6"

$7.00 DS-1-1/2
1-1/2" Die Stock 1 1/2" 12"

$9.50 DS-2
2" Die Stock 2" 19.5"

$18.50 DS-2-1/2
2-1/2" Die Stock 2 1/2" 19"

$24.50 DS-3
3" Die Stock 3" 21.75"

$47.00 DS-4
4" Die Stock 4" 29.25"

$93.00 DS-5
5" Die Stock 5" 33"