Hertel 16704751 Screw Machine Drill Bit No 37 Solid Carbide

Product Description

The HERTEL 16704751 is a screw machine length drill bit ground from solid carbide with a 135-degree split-point tip. Solid carbide construction delivers the rigidity and edge retention needed when drilling hard and abrasive workpiece materials. The 135-degree point reduces walking and decreases thrust compared to a conventional 118-degree point. At 1-13/16 inches overall length, the screw machine format provides greater stiffness than jobber-length bits, reducing deflection in short-hole applications. The straight cylindrical shank fits standard drill chucks and collet systems without modification. This bit is intended for use by machinists and toolroom professionals working with precision hole requirements in demanding materials.

This drill bit is suited for production and maintenance drilling operations where hole location accuracy and tool life in tough materials are the priority. Primary workpiece materials include cast iron, nickel alloy, stainless steel, titanium alloy, and tool steel. The screw machine length format is commonly specified on CNC machining centers, turret lathes, and drill presses where short, rigid tooling is preferred. The slow spiral flute geometry aids chip evacuation in materials that produce fine, stringy chips.

Key Features

• Solid carbide construction for maximum rigidity and wear resistance in hard materials
• 135-degree split point reduces thrust and self-centers on entry
• Slow spiral flute geometry optimized for chip control in stainless steel, titanium alloy, and cast iron
• Screw machine length overall at 1-13/16 inches minimizes deflection in short-hole drilling
• Bright uncoated finish suitable for use with cutting fluids or dry drilling depending on application
• Right-hand cut, two-flute design for standard CNC and manual machine spindles

Compatibility

Designed as an OEM-style replacement screw machine length drill bit for No. 37 wire gauge diameter applications requiring solid carbide tooling in demanding workpiece materials.

Installation Notes

Installation and use of this tooling should be performed by qualified machinists familiar with carbide tooling requirements. Secure the straight cylindrical shank fully in a drill chuck or collet to the recommended grip depth before operation. Carbide is brittle compared to high-speed steel; avoid side loading, interrupted cuts without appropriate feed adjustments, and dropping the bit on hard surfaces. Follow the machine manufacturer and applicable shop safety guidelines for spindle speed and feed rate selection when drilling hard alloys.