Hertel K020010AS M1.6x0.35 Bottoming Hand Tap Hss

Product Description

The HERTEL K020010AS is a straight-flute hand tap designed for cutting M1.6 x 0.35 metric coarse internal threads in through-holes and blind holes requiring a bottoming chamfer. Manufactured from high speed steel with a bright uncoated finish, it produces clean threads close to the bottom of a hole. The 2-flute straight flute geometry aids chip evacuation in a variety of work materials. With an overall length of 1.625 inches and a thread length of 0.3125 inches, this tap is suited to tight-access threading operations where compact tooling is required. The right-hand thread direction and D1 thread limit make it a standard choice for general-purpose metric threading work.

This tap is used in precision machining, toolroom, and maintenance applications where M1.6 x 0.35 metric coarse threads are required. The bottoming chamfer allows threading to within one to two thread pitches of a blind hole bottom, making it appropriate for close-tolerance assemblies in electronics, instrumentation, and light mechanical components. It is installed using a standard tap wrench or tapping fixture and is compatible with hand-tapping operations. Machinists, tool-and-die makers, and maintenance technicians working with small metric fasteners will find this tap applicable across a wide range of ferrous and non-ferrous materials.

Key Features

• Bottoming chamfer allows threading close to the bottom of blind holes
• High speed steel construction provides durability across a range of work materials
• Bright uncoated finish suitable for general-purpose threading applications
• 2-flute straight flute geometry supports chip clearance during hand tapping
• D1 thread limit provides controlled tolerance fit for standard metric fastener assemblies
• Right-hand thread direction compatible with standard tap wrenches and fixtures

Compatibility

Designed as a standard hand tap for cutting M1.6 x 0.35 metric coarse right-hand threads in blind or through-hole applications requiring a bottoming chamfer.

Installation Notes

Hand tapping should be performed by a machinist or qualified technician using a properly sized tap wrench or tapping fixture aligned perpendicular to the workpiece. Apply appropriate cutting fluid for the work material to reduce friction and extend tap life. Back off the tap periodically to break chips and prevent binding. Inspect the tap for wear or damage before each use, as small-diameter taps are susceptible to breakage under misalignment or excessive torque.