Osg 1005200 Straight Flute Tap 10-32 Unf Hss Plug

Product Description

The OSG 1005200 is a straight flute plug tap designed for threading 10-32 UNF holes in ferrous and non-ferrous materials. It is manufactured from high-speed steel with a bright, uncoated finish and features four flutes with a plug chamfer for starting in through-holes or sufficiently deep blind holes. With an overall length of 2.375 inches and a thread length of 0.875 inches, this tap carries an H1 thread limit for close-tolerance work. The right-hand thread geometry and standard shank make it compatible with common tap wrenches, tapping heads, and drill press setups used in machine shops and maintenance environments.

This tap is suited for tapping 10-32 UNF threads in a range of materials including low-carbon steel, medium-carbon steel, high-carbon steel, cast iron, aluminum, and cast aluminum. The plug chamfer style - with a moderate lead-in of several chamfered threads - makes it a versatile choice for general production and maintenance tapping where the hole depth allows the plug to fully engage before reaching the bottom. It fits into manual and machine tapping operations in shop, field service, and light manufacturing settings.

Key Features

• 10-32 UNF right-hand thread form for standard unified fine-pitch applications
• Plug chamfer provides a balanced lead-in for through-holes and deeper blind holes
• High-speed steel construction offers good wear resistance across steel and cast-iron applications
• Bright, uncoated finish - no risk of coating buildup altering thread dimensions on close-tolerance work
• H1 thread limit for tight tolerance control on 10-32 UNF fits
• Four-flute design evacuates chips effectively during straight-line tapping

Compatibility

Designed for use in aluminum, cast aluminum, cast iron, high-carbon steel, low-carbon steel, and medium-carbon steel. Part of OSG Series 102.

Installation Notes

This tap is installed by machinists and maintenance technicians using a tap wrench, tapping stand, or machine tapping head. Before tapping, drill the correct tap drill size for 10-32 UNF and ensure the hole is clean and properly deburred. Apply cutting fluid appropriate for the workpiece material to extend tool life and improve thread quality. Do not force the tap if resistance increases sharply - back off to break the chip and re-engage.