Value Collection D20928-1 1/2 in Mechanics Drill Bit Hss

Product Description

The VALUE COLLECTION D20928-1 is a mechanics-length drill bit designed for general-purpose drilling in metal and ferrous materials. Built from high-speed steel with an oxide finish, it features a 135-degree split point that reduces walking and allows drilling to begin without a center punch in most applications. The Weldon flat shank with three flats provides a secure, non-slip grip in compatible chucks. At 5 inches overall length with a 3-3/8 inch flute length, this bit is sized for close-quarter and standard-depth drilling tasks common in fabrication, maintenance, and field service work.

This drill bit is suited for use in residential and commercial maintenance, metal fabrication shops, and field service environments. It is designed to cut right-hand through carbon steel, cast iron, high alloy steel, high tensile strength alloy, stainless steel, and general steel stock. The mechanics length makes it a practical choice when a jobber-length bit is too long for confined spaces or when rigidity is needed to maintain hole straightness in harder materials.

Key Features

• 135-degree split point reduces bit walking and improves hole entry without a pilot punch
• High-speed steel construction handles carbon steel, cast iron, stainless steel, and high alloy steel
• Weldon flat shank with three flats prevents rotation in chuck during high-torque drilling
• Oxide finish provides mild corrosion resistance and reduces friction at the cutting edge
• Web-thinned parallel web improves chip clearance and reduces thrust force
• Mechanics length at 5 inches overall gives better rigidity than jobber-length bits in tight or deep setups

Compatibility

Designed as a general-purpose mechanics-length drill bit compatible with drill presses, magnetic drills, and hand drills equipped with chucks that accept Weldon flat shanks. Suitable for cutting carbon steel, cast iron, high alloy steel, high tensile strength alloy, stainless steel, and general steel.

Installation Notes

Secure the Weldon shank fully in a compatible chuck and tighten set screws against the flats before drilling. Power down and disconnect or lock out equipment before changing bits. Use appropriate cutting fluid when drilling stainless steel or high alloy materials to extend tool life and prevent work hardening. Follow applicable shop safety standards and wear appropriate eye and hand protection during operation.