Sgs 51332 Screw Machine Drill Bit 9/64 Solid Carbide

Product Description

The SGS 51332 is a screw machine length drill bit designed for high-performance drilling in demanding materials. Built from solid carbide and coated with an AlTiN (Ti-NAMITE-A) finish, this bit handles alloy steels and titanium where standard high-speed steel tooling falls short. It features a 145-degree notched point angle that reduces thrust and improves chip clearance on entry. With a 9/64 inch (0.1406 inch decimal) diameter and a compact 2.5-inch overall length, it is well suited for CNC machining centers, drill presses, and screw machine applications requiring close-tolerance hole production. Machinists, tool-and-die technicians, and precision fab shops are the primary users of this tooling.

This drill bit is built for short-reach, high-accuracy drilling in materials classified as alloy steel and titanium. The screw machine length format provides a rigid, low-deflection setup ideal for precision hole patterns in tight workpiece clearances. The straight shank fits standard drill chucks and collet systems without adapters. With a 3xD flute-by-diameter ratio and a 3/4-inch flute length, this bit is optimized for shallow-to-moderate depth holes in production and job-shop environments where dimensional consistency is critical.

Key Features

• Solid carbide construction for rigidity and heat resistance in hard materials
• AlTiN (Ti-NAMITE-A) coating reduces friction and extends tool life in alloy and titanium workpieces
• 145-degree notched point angle lowers entry thrust and self-centers on the workpiece
• Web-thinned, tapered web configuration improves chip evacuation and reduces cutting force
• Straight shank with 0.25-inch diameter fits standard chucks and collet systems
• Diameter tolerance of plus 0.0002 to plus 0.0006 inch supports close-tolerance hole requirements
• Right-hand cut with regular spiral flute geometry for consistent chip flow

Compatibility

Designed as an OEM-style screw machine length drill bit for use in CNC machining centers, manual drill presses, and screw machines equipped with standard straight-shank toolholders or drill chucks accepting a 0.25-inch shank diameter. Rated for primary workpiece materials including alloy steel and titanium.

Installation Notes

Installation and use of this tooling should be performed by qualified machinists or tooling technicians familiar with carbide drill handling. Secure the straight shank fully in the chuck or collet before operation and verify runout before engaging the workpiece. Solid carbide tooling is brittle and should not be subjected to side loading or impact. Always confirm spindle speed and feed rate are appropriate for the workpiece material and drill diameter before beginning a cut.