Hertel 74459942 Jobber Drill Bit 3.3mm Solid Carbide

Product Description

The HERTEL 74459942 is a solid carbide jobber length drill bit designed for precision drilling in demanding applications. With a 3.3 mm (0.1299 inch) diameter and a 118-degree drill point angle, this bit delivers consistent, accurate holes in ferrous and non-ferrous metals, plastics, and composite materials. The solid carbide construction provides superior hardness and wear resistance compared to high-speed steel alternatives. At 2.25 inches overall length with a 1.25-inch flute length, it fits standard drill chucks and machining centers. Right-hand cutting direction follows conventional drilling practice. This bit is suited for machinists, tool-and-die technicians, and precision fabricators working on tight-tolerance production or maintenance tasks.

This jobber length drill bit is appropriate for general-purpose drilling in machine shop environments, CNC machining centers, drill presses, and hand-held power tools with compatible chuck capacity. The 3.3 mm diameter falls within the 3.00 mm to 4.00 mm size range, making it a common selection for tapping prep, clearance holes, and pilot drilling on light to medium workpieces. Its compact jobber length profile provides good rigidity in short-reach setups without sacrificing reach for standard stock thicknesses.

Key Features

• Solid carbide construction for extended tool life in abrasive and hard materials
• 118-degree drill point angle for general-purpose use across a broad range of materials
• 3.3 mm (0.1299 inch) diameter with matching 0.1299-inch shank for a secure, concentric fit
• Right-hand cut follows standard drilling conventions on all common equipment
• 1.25-inch flute length provides adequate chip clearance for jobber-depth holes
• No coolant-through design - suitable for dry or flood-coolant external setups

Compatibility

Designed as a general-purpose jobber length drill bit for use in any drill press, CNC machining center, or power tool accepting a 0.1299-inch shank diameter. Fits within the 0.1000 to 0.1500 decimal inch drill bit size range category.

Installation Notes

Installation and use should be performed by qualified machinists or tooling technicians familiar with cutting tool safety. Secure the shank fully in the chuck or collet and verify runout before drilling. Solid carbide bits are brittle - avoid side loading, interrupted cuts without proper feed rate adjustment, or dropping the bit on hard surfaces. Always wear appropriate eye protection and follow facility safety protocols when operating drilling equipment.