Toggle menu
Compare
Sign In
Cart
Products
Reamers
All Reamers
Chucking Reamers
All Chucking Reamers
Carbide - Straight Flute
Cobalt - Right Hand Spiral
Cobalt - Straight Flute
HSS - Intermediate Sizes
HSS - Left Hand Spiral
HSS - Right Hand Spiral
HSS - Straight Flute
Dowel Pin Reamers
All Dowel Pin Reamers
Cobalt - RH Spiral
Cobalt - Straight Flute
HSS - RH Spiral
HSS - Straight Shank
Expansion Reamers
All Expansion Reamers
HSS - Straight Shank
HSS - Taper Shank
Hand Reamers
All Hand Reamers
HSS - Left Hand Spiral
HSS - Straight Flute
Misc Reamers
All Misc Reamers
HSS Bridge Reamers LH Spiral
HSS Capscrew Counterbores
HSS Construction Reamers LH Spiral
HSS Safety Reamers LH Spiral
HSS Taper Pipe
Taper Pin Reamers
All Taper Pin Reamers
HSS - Straight Flute
HSS - LH Spiral
HSS - LH Helical
All Reamers
Reamers
[object Object]
Shop Now
End Mills
All End Mills
Carbide High Performance
All Carbide High Performance
3 5 and 6 Flute Corner Radius
3 5 and 6 Flute End Mills
End Mills for Aluminum
Variable Index Ball End Mills
Variable Index End Mills
Variable Index – Corner Radius End Mills
Carbide
All Carbide
Square End Carbide End Mills
Carbide Ball End Mills
Double End Carbide Square End Mills
Double End Carbide Ball End Mills
Carbide Corner Radius End Mills
Micro End Mills
Tapered
Carbide Roughers
All Carbide Roughers
4 Flute - Rougher & Finisher
Fine Pitch - Square End
Cobalt
All Cobalt
Square End Cobalt End Mills
Cobalt Ball End Mills
Roughers
Cobalt Rougher/Finisher End Mills
Cobalt Roughers for Aluminum
Double End Cobalt End Mills
Double End Cobalt Ball End Mills
Corner Rounding End Mills
Cobalt Dovetail Cutters
T Slot Cutters
HSS
All HSS
Square End High Speed Steel End Mills
High Speed Steel Ball End Mills
HSS End Mills for Aluminum
Metric
Double End HSS Square End Mills
Double End HSS Ball End Mills
HSS Tapered End Mills
Spiral Flute
High Speed Steel Roughers
HSS Bridgeport End Mills
HSS Corner Rounding End Mills
HSS Dovetail Cutters
HSS T Slot Cutters
All End Mills
End Mills
[object Object]
Shop Now
Drills
All Drills
Carbide
All Carbide
Carbide Jobbers Length Drills
Carbide Screw Machine Drills Stub Length
Carbide Straight Flute Spade Drills
Spot Drills
Cobalt Drill Bits
All Cobalt Drill Bits
Cobalt Extension Aircraft Drills
Cobalt Jobber Length Drills
Cobalt Screw Machine Drills Stub Length
HSS Drills High Speed Steel
All HSS Drills High Speed Steel
HSS Extra Long Aircraft Extension Drills
HSS Jobber Length Drills High Speed Steel
HSS Mechanics Length Drills High Speed Steel
HSS Screw Machine Drills Stub Length
HSS Taper Length Drills High Speed Steel
HSS Taper Shanks Drills High Speed Steel
Silver Deming Drills
All Silver Deming Drills
Silver Deming - Round Shank
Silver Deming - 3 Flats Shank
Black & Gold Finish - 3 Flats Shank
M42 Cobalt - Round Shank - 118 Split Point
All Drills
Drills
[object Object]
Shop Now
Burs
All Burs
Carbide Standard Cut
All Carbide Standard Cut
Type SA Cylindrical
Type SB Cylindrical End Cut Burs
Type SC Cylindrical Ball Nose Burs
Type SD Ball Shape Burs
Type SE Egg Shape Burs
Type SF Round Nose Tree
Type SG Pointed Tree
Type SH Flame Shape
Type SJ 60 Degree Included Angle
Type SK 90 Degree included angle Burs
Type SL Included angle Burs
Type SM Pointed Cone Burs
Type SN - Inverted Taper
Solid Carbide Double Cut Burs
All Solid Carbide Double Cut Burs
Type SA Cylindrical Double Cut Burs
Type SB Cylindrical End Cut Burs
Type SC Cylindrical Ball Nose Burs
Type SD Ball Shape Burs
Type SE Egg Shape Burs
Type SF Round Nose Tree Burs
Type SG Pointed Tree Burs
Type SH Flame Shape Burs
Type SJ 60 Degree Included Angle Burs
Type SK 90 Degree Included Angle Burs
Type SL Included Angle Burs
Type SM Pointed Cone Burs
Type SN Inverted Taper Burs
Solid Carbide Burs for Aluminum
All Solid Carbide Burs for Aluminum
Type SA Cylindrical Burs for Aluminum
Type SB Cylindrical End Cut Burs for Aluminum
Type SC Cylindrical Ball Nose Burs for Aluminum
Type SD Ball Shape Burs for Aluminum
Type SE Egg Shape Burs for Aluminum
Type SF Round Nose Tree Burs for Aluminum
Type SL Included Angle Burs for Aluminum
All Burs
Burs
[object Object]
Shop Now
Taps
All Taps
High Performance
All High Performance
Spiral Flute CNC Style
Spiral Point Plug CNC Style
HSS
All HSS
Screw & Fractional Size
Metric
Pipe Pulley Thread Forming
Straight Spiral Flute
All Taps
Taps
[object Object]
Shop Now
Chamfer Mills
All Chamfer Mills
Carbide Single End
All Carbide Single End
2 Flute - Flat Tip
2 Flute - Pointed Tip
4 Flute - Flat Tip
Carbide Double End
All Carbide Double End
2 Flute - Flat Tip
4 Flute - Flat Tip
All Chamfer Mills
Chamfer Mills
[object Object]
Shop Now
Combined Drill & Countersink
All Combined Drill & Countersink
Carbide
Cobalt
HSS
All HSS
Regular Length
Long Length
All Combined Drill & Countersink
Combined Drill & Countersink
[object Object]
Shop Now
Combination Drill & Tap
All Combination Drill & Tap
Standard 2 Flute
Metric 2 Flute
All Combination Drill & Tap
Combination Drill & Tap
[object Object]
Shop Now
Thread Mills
All Thread Mills
UN Threads
UN Threads - Coolant Through
NPT Pipe Threads
NPTF Pipe Threads
Metric Threads
All Thread Mills
Thread Mills
[object Object]
Shop Now
Countersinks
All Countersinks
Carbide
All Carbide
Single Flute
Three Flute
Six Flute
HSS
All HSS
Single Flute
Four Flute
All Countersinks
Countersinks
[object Object]
Shop Now
Dies Accessories
All Dies Accessories
Accessories
All Accessories
Adjustable Handle Tap Wrenches
Die Stock
T Handles
Carbon Steel Dies
All Carbon Steel Dies
Adjustable Round Split
Hexagon Rethreading
Metric Hexagon
NPT Pipe Hexagon Rethreading
HSS
All HSS
Adjustable Round Split
All Dies Accessories
Dies Accessories
[object Object]
Shop Now
Drill Drifts
All Drill Drifts
Drill Drifts Oxide Finish
Screw Extractors
All Drill Drifts
Drill Drifts
[object Object]
Shop Now
Drill Mills
All Drill Mills
Carbide - 2 FLUTE
All Carbide - 2 FLUTE
60° Point - 30° Helix
90° Point - 30° Helix
Carbide - 4 FLUTE
All Carbide - 4 FLUTE
60° Point - 30° Helix
90° Point - 30° Helix
All Drill Mills
Drill Mills
[object Object]
Shop Now
Sets
All Sets
Drills
All Drills
Screw Machine Length
Black & Gold Sets
Cobalt Jobber Drills
HSS Jobber Drills
HSS Mechanics Length
Silver & Deming
Reamers
All Reamers
Cobalt
HSS
Bur Sets
All Bur Sets
Carbide
All Sets
Sets
[object Object]
Shop Now
Tool Finder
Quick Order
Need to order more than
8
items?
Quick Order Form
ADD TO CART
Coatings
Contact Us
Blog
Sign In
Register
Search
Home
Thread Mills
1/2-20 Carbide Threadmill UN - Coolant Through - ALTiN - A71250
Home
Thread Mills
1/2-20 Carbide Threadmill UN - Coolant Through - ALTiN - A71250
1/2-20 Carbide Threadmill UN - Coolant Through - ALTiN - A71250
1/2-20 Carbide Threadmill UN - Coolant Through - ALTiN - A71250
MSRP:
Now:
$204.04
Was:
— You save
Quantity:
1
Add to Wish List
Create New Wish List
DESCRIPTION
Thread Size (D1)
Cutter Dia
Thread Length (L2)
Flutes
Shank Dia (D2)
OAL (L1)
Coating
In Stock
Sku
Price
1/2-20
.350
.875
4
3/8
3-1/2
ALTiN
36
A71250
MSRP:
Now:
$204.04
Was:
— You save
Related Products
Related Products
1/4-20
.180
.500
3
3/16
2-1/2
ALTiN
6
A71241
MSRP:
Now:
$110.70
Was:
1
1/2-13
.350
.875
4
3/8
3-1/2
ALTiN
2
A71249
MSRP:
Now:
$204.04
Was:
1
1/2-20
.350
.875
4
3/8
3-1/2
Uncoated
100
A42755
MSRP:
Now:
$196.36
Was:
1
OK
