Value Collection BS27N0070 No 70 Hss Jobber Drill Bit

Product Description

The VALUE COLLECTION BS27N0070 is a No. 70 wire-size jobber-length drill bit designed for precision drilling in aluminum and other non-ferrous materials. Built from high speed steel (HSS) with a bright, uncoated finish, this bit carries a 130-degree point angle and a slow spiral flute configuration that promotes clean chip evacuation in soft, gummy materials. The overall length is 1.25 inches with a 0.375-inch flute length, making it one of the smaller wire-gauge bits suited for close-tolerance holes in light-gauge sheet metal, electronics housings, and similar applications. The web-thinned, tapered web design reduces entry resistance and helps maintain accurate hole placement at small diameters.

This bit is intended for use in applications requiring a No. 70 wire-gauge hole diameter of 0.0280 inches. It is a general-purpose grade tool suited for manual drill presses, CNC drilling operations, and handheld power tools where consistent, repeatable small-diameter holes are needed in aluminum and non-ferrous workpieces. Machinists, HVAC fabricators working with sheet metal enclosures, and electrical tradespeople drilling thin panel stock will find this size range applicable to pilot holes, rivet prep, and connector clearance drilling.

Key Features

• No. 70 wire size at 0.0280-inch decimal diameter for tight-tolerance small-bore drilling
• 130-degree point angle with standard point type for general-purpose entry geometry
• Slow spiral flute design improves chip flow when drilling aluminum and non-ferrous metals
• Web-thinned, tapered web lowers thrust force and reduces bit walking at small diameters
• Bright, uncoated HSS construction for direct visual inspection of edge condition
• Straight cylindrical shank at 0.0280 inches diameter fits standard small-drill chucks and collets

Compatibility

Designed as a general-purpose wire-gauge jobber drill bit for use in any standard drill press, CNC machine, or handheld power tool equipped with a chuck or collet capable of holding a 0.0280-inch straight shank. Meets ANSI specification requirements for jobber-length twist drills.

Installation Notes

Installation of this bit requires a compatible drill chuck or precision collet rated for small-diameter straight shanks. Secure the shank fully in the chuck and verify runout before drilling to avoid bit deflection or breakage at this diameter. Use appropriate cutting fluid or lubricant when drilling non-ferrous metals to extend edge life. At wire-gauge sizes, reduce feed pressure carefully to avoid snapping the bit.