Value Collection 01188085 No. 8 Hss Jobber Drill Bit

Product Description

The VALUE COLLECTION 01188085 is a No. 8 wire-size jobber-length drill bit ground from high speed steel (HSS) with a black oxide finish. It measures 0.1990 inches in diameter and 3.625 inches overall, with a 2.4375-inch flute length. The 118-degree standard point and regular spiral flute geometry suit general-purpose drilling in a wide range of materials. The tapered web with web-thinning reduces thrust force at the point and improves chip evacuation. This is a right-hand cutting, straight-shank bit designed for use in a standard drill press, hand drill, or CNC drill cycle by machinists, maintenance techs, pipefitters, and general fabricators.

This bit is rated for drilling steel and cast iron as primary workpiece materials, making it a practical everyday tool for metal fabrication shops, maintenance and repair operations, and production drilling. The 3.625-inch jobber length provides enough flute to clear chips without excessive deflection in typical through-hole and blind-hole applications. The straight cylindrical shank fits standard three-jaw chucks without adapters. Each unit is sold individually; note that this SKU requires purchase in multiples of 12.

Key Features

• No. 8 wire size (0.1990 inches) — fits standard drill charts for wire-gauge hole requirements
• 118-degree standard point with web-thinning for reduced entry force on steel and cast iron
• High speed steel construction maintains hardness under moderate heat generated during drilling
• Black oxide coating provides mild lubricity and corrosion resistance during storage and use
• Regular spiral flute geometry promotes consistent chip evacuation in through-hole drilling
• Straight cylindrical shank compatible with standard three-jaw chucks without adapters

Compatibility

Designed as a general-purpose replacement or stock drill bit for any application requiring a No. 8 wire-size (0.1990-inch) straight-shank jobber drill in steel or cast iron.

Installation Notes

A licensed machinist or qualified tradesperson should secure the shank fully in a properly sized three-jaw chuck before operation. Set spindle speed according to standard HSS cutting-speed charts for the workpiece material and bit diameter. Use cutting fluid when drilling steel to extend tool life and reduce heat buildup. Inspect the point for wear or chipping before each use; a dull or damaged point increases thrust force and can cause bit breakage.