A Brand® A-NPT (16570)

Advanced performance Pipe Taps with improved cutting geometry,designed to work a wide variety of materials


The A BRAND® A-Pipe Tap is OSG's newest addition to the A Brand line up. With an expansive size offering, the new A Brand® A-Pipe Tap has enhanced cutting geometry with premium V Coating for extended tool life that performs exceptionally in a wide range of materials.


HSSE material

Increased wear resistance

V Coating

Improves wear resistance for extended tap life

Enhanced Cutting Geometry

Covers a wide range of materials

Application Guide

ISO Work Material Recommended
P Low Carbon Steel : 1010, 1018
P Medium Carbon Steel : 1035, 1045
P High Carbon Steel : 1065
P Alloy Steels : 4140, 4340
P Die Steels
M Stainless Steels : 300
M Stainless Steels : 400
M Stainless Steels : 17-4PH
K Cast Iron
N Aluminum : 6061, 7075
N Aluminum : Casting
S Nickel Alloy : Inconel
S Titanium : 6AL4V (30HRC)
H Hardened Steels : ~35 HRC
H Hardened Steels : 35-45 HRC
H Hardened Steels : 45-50 HRC
H Hardened Steels : 50-70 HRC

good best



List 16570 - A Brand® A-NPT View Offering >   View Overview >

List 16575 - A Brand® A-LT-NPT View Offering >   View Overview >

List 16580 - A Brand® A-BSPP View Offering >   View Overview >

List 16585 - A Brand® A-BSPT View Offering >   View Overview >

List 16590 - A Brand® A-NPS View Offering >   View Overview >



Carbon Steels


Hardened Steels up to 35 HRC


Cast Aluminum


Stainless Steel


Additional Information

When grinding or regrinding industrial cutting tools, residual grinding dust may occur. This dust may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov