Norseman Drill & Tool Letter Sizes General Purpose Type 100-BN Twist Drill Bit

Norseman Drill & Tool Letter Sizes Type 100-BN Twist Drill Bit

Built for Durability and Precision in Abrasive Drilling Applications

The Norseman Drill & Tool Letter Sizes Type 100-BN Twist Drill Bit is engineered for reliable, long-lasting performance in general-purpose drilling applications—especially where abrasive wear resistance is essential. Proudly made in the USA, this high-quality bit delivers durability, precision, and smooth operation for technicians, fabricators, and industrial professionals who demand consistent results.

Heavy-Duty Construction for Abrasive Materials

Crafted from premium high-speed steel (HSS), the Type 100-BN offers superior toughness and cutting strength, allowing it to maintain sharpness even when drilling abrasive materials. It excels in mild steel, cast iron, aluminum, brass, copper, and other non-ferrous metals, as well as wood and plastics. The bit’s robust construction ensures dependable wear resistance, making it suitable for frequent use in shop, maintenance, and light production settings.

The 118° standard point geometry delivers accurate starts, clean penetration, and reduced walking—enhancing both precision and operator control. This point design is ideal for hand-held drills and machine setups, providing versatility for a wide range of projects.

Precision-Ground for Smooth, Efficient Drilling

The bit’s bright finish improves chip evacuation, reduces material buildup, and minimizes friction, resulting in cooler operation and extended tool life. Each Type 100-BN drill bit is precision-ground to exact tolerances, ensuring excellent balance, smooth drilling, and consistent hole sizing across all letter-size increments.

Key Features

• Excels in mild drilling applications with abrasive wear characteristics

• Premium HSS construction ensures durability and cutting strength

• 118° standard point provides clean, accurate starts

• Bright finish improves chip flow, reduces friction, and enhances tool life

• Precision-ground and made in the USA for dependable, professional performance

For abrasion resistance, consistent accuracy, and American-made quality, the Norseman Drill & Tool Letter Sizes Type 100-BN Twist Drill Bit delivers the durability and precision needed for everyday drilling applications.