Dormer HSS Sheet Metal Stub Drill, Straight Flute, 3.3mm Shank, 49mm Length, 90° Point Angle A1233.3

Dormer A1233.3 HSS Sheet Metal Stub Drill is engineered specifically for drilling out spot welds and releasing steel panels and sheets. Manufactured from high-quality high-speed steel (HSS), this drill bit delivers consistent and reliable performance in industrial applications.

The stub drill is steam tempered to ensure a maintained sharp cutting edge, providing enhanced durability even under extreme working conditions. A 120° degree standard point design with a special web allows easy penetration and self-centering capability, reducing user effort in handheld drilling tasks.

It features a bright finish and a straight flute type for efficient chip evacuation, contributing to cleaner holes and prolonged bit life. The short flute design adds rigidity, ideal for drilling thin metal sheets often found in automotive and trailer repair environments.

This model has a 49mm overall length, a 3.3mm shank size, and a 90° drill point angle with neutral cutting direction, balancing precision and versatility for spot welds. Its robust engineering supports professional and industrial use in construction, manufacturing, automotive, and repair sectors.

High Speed Steel (HSS) construction ensures durability and cutting efficiency. Straight flute improves chip removal and hole quality. Steam tempering enhances edge retention and performance under stress. Short flute length improves rigidity and control for thin sheet metal.

Special web design enables self-centering and accurate drilling. Bright finish for corrosion resistance and visual inspection. Neutral cutting direction suits a wide range of drilling operations. Ideal for automotive and trailer repair spot weld drilling.

Single drill bit per package for individual use or replacement.

This Dormer drill bit is a valuable tool in a variety of industrial applications including mechanical, automotive maintenance, manufacturing, and repairs where precision and reliability are essential. Explore our full range of professional Drill Bits and power tool accessories to meet all your industrial and workshop needs.