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Taps are used to cut screw threads on the internal surfaces of holes, creating the “female” half (nut) of the screw.

High precision is of vital importance, particularly in areas such as automotive engines, which require precision screws.

OSG offers a lineup of taps with diameters in various sizes and with specifications suitable for a wide variety of uses.

Taps - July 24, 2024

A-TAP Series Volume 11

A-Tap is an all-purpose tap series designed to simplify tool management and to excel in a wide variety of materials and applications. A-Tap is made from powdered metal HSS and has OSG's patented V coating to achieve excellent wear resistance. The spiral flute series has adopted a variable helix flute design, which encourages stable chip evacuation and reduces cutting forces.

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Taps - May 24, 2024


TiN-coated powder metal spiral-fluted cutting taps especially suitable for difficult to machine materials such as  304L & 316L stainless steel, 15-5PH & 17-4PH, Super Duplex 1.4410, Inconel 625, etc.

Also available with oil hole and long shank.

Taps - January 29, 2024



XPF & S-XPF series represents a new evolution in forming tap technology. These forming taps generate up to 50% less torque versus other forming taps, making it feasible to tap materials up to 40 HRC and sizes up to M45.

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Taps - January 18, 2024


Our VP(O)-DC-MT taps are the industry leading tap for processing threads in Cast Iron, Ductile Iron and Cast Aluminum. The combination of ultra-strong rake with our VC10 powdered metal substrate makes this tap the absolute best solution for threading ductile castings.

Taps - April 14, 2023


Internal Coolant Carbide Forming Taps for up to 40HRC