Osg 1024308 Straight Flute Tap 8-32 Unc Ticn Hss

Product Description

The OSG 1024308 is a straight flute tap designed to cut 8-32 UNC internal threads in a wide range of ferrous and non-ferrous materials. It features a plug chamfer for general-purpose through-hole and blind-hole threading, four flutes for chip clearance and cutting stability, and a TiCN coating that extends tool life by reducing friction and heat buildup at the cutting edge. Built from high-speed steel, this tap handles the rigidity and edge retention demands of production threading. The H3 thread limit provides consistent fit within 3B class tolerances, making it suitable for standard fastener assemblies.

This tap is suited for threading aluminum, cast aluminum, cast iron, low-carbon steel, medium-carbon steel, and high-carbon steel. It fits standard tapping operations in machine shops, maintenance facilities, and field service applications where 8-32 UNC fastener holes are required. The right-hand thread direction is compatible with conventional tapping heads and hand tap wrenches. Series 102 identifies this as part of OSG standard catalog tooling for general-purpose straight-flute applications.

Key Features

• 8-32 UNC thread form with 32 threads per inch and right-hand direction
• Plug chamfer suits both through-hole and shallow blind-hole applications
• TiCN coating reduces wear and improves performance in ferrous and non-ferrous materials
• H3 thread limit ensures consistent 3B class of fit for standard fastener assemblies
• High-speed steel construction provides durability across a broad material range
• 4-flute design promotes chip evacuation and cutting stability

Compatibility

Designed for use in materials including aluminum, cast aluminum, cast iron, low-carbon steel, medium-carbon steel, and high-carbon steel where 8-32 UNC, 3B class internal threads are specified.

Installation Notes

Tapping should be performed by a machinist or qualified tradesperson familiar with thread-cutting speeds, feeds, and lubrication requirements for the workpiece material. Always secure the workpiece and ensure the tap is properly aligned before engagement to prevent tap breakage. Use an appropriate cutting fluid or tapping oil for the material being threaded. Follow shop safety procedures and wear appropriate eye protection when operating tapping equipment.