Dormer Pramet A940 1/16 Inch HSS-E HIGH PERF MULT-APP STRAIGHT SHANK LONG SERIES DRILL DIN/ANSI

The Dormer Pramet A940 1/16 Inch HSS-E High Performance Multi-Application Straight Shank Long Series Drill is engineered for engineers and machinists who require precise, repeatable holes in a variety of metals. This compact 1/16" drill blends aggressive cutting geometry with a durable, heat-resistant substrate to deliver clean starts, deep holes, and reliable performance across many materials.

Why this drill stands out

• 130° point for self-centering and reduced push force. The uniquely angled tip minimizes wandering at entry, ensuring accurate hole starts and smoother cutting in tough materials.
• Bright high-visibility finish. The bright coating helps resist chip buildup at the cutting edge, promoting easier penetration and longer edge life when drilling ferrous and non-ferrous metals alike.
• Parabolic flute design for deep-hole capability. The optimized flute geometry channels chips efficiently, enabling you to drill extra-deep holes in a single pass without frequent pecking or reentry hesitation.
• Premium HSS-E material. The cobalt-enhanced high-speed steel delivers improved red hardness and wear resistance, making it suitable for steel, aluminum, and stainless steel drilling with stable performance.
• Long series straight shank with DIN/ANSI compatibility. Designed for reliable seating in collets and chucks, this drill maintains concentricity and reduces runout across a range of drilling setups.
• High-speed, high-feed capable with tight tolerance. It produces accurate holes with h10 tolerance, helping you meet tight specifications in production or prototype runs.

What you can accomplish with the A940 drill

Ideal for general-purpose drilling where hole accuracy and surface finish matter, this drill excels in metalworking environments that demand speed without sacrificing hole quality. Use it for:

• Creating precise pilot holes for threaded inserts or fixtures in steel and stainless steel.
• Deep-hole projects in aluminum components where conventional short drills struggle to reach the required depth.
• Finishing clean, burr-free holes in fabrications and assemblies that require tight tolerances and repeatable results.
• Precision drilling in DIN/ANSI-compliant setups where tool geometry and seat stability are critical for consistent performance.

Materials and performance

With an HSS-E composition, this drill is built to handle a variety of metals without frequent edge dulling. Expect reliable cutting action on:

• Low- to mid-carbon steels
• Aluminum alloys
• Stainless steels

The combination of a sharp 130° point, bright finish, and parabolic flute means you’ll experience smoother starts, fewer deflections, cooler operation, and longer service life, especially under demanding speeds and feeds in shop-floor environments.

Compatibility and setup tips

Designed as a straight-shank drill, the A940 fits a broad range of drill chucks and holders common in both industrial and workshop machines. For best results:

• Match the speed and feed to the material’s hardness to preserve the edge and achieve the h10 hole tolerance.
• Use appropriate lubrication or cutting fluid when drilling steels or stainless steels to minimize heat build-up.
• Ensure the drill is sharp and properly secured in a chuck or collet to maintain concentricity during deeper holes.

Durability, value, and how it compares to the basics

Compared with standard high-speed steel drills, the A940’s HSS-E composition and advanced flute geometry deliver more consistent hole quality at higher speeds, better wear resistance, and improved edge life in mixed-material environments. The long-series design provides extended reach for deeper holes without sacrificing rigidity or accuracy, making it a practical upgrade for mid- to high-volume metalworking tasks where repeatability matters.

Built for professionals

Whether you’re fabricating precision components, assembling machinery, or performing maintenance drilling on metalwork, the Dormer Pramet A940 is a dependable choice that helps you finish jobs faster, with fewer rework passes. The combination of self-centering performance, chip evacuation efficiency, and material versatility makes this drill a reliable workhorse in any shop.

In short, this is the drill you reach for when you need a small-diameter, long-reach, high-precision solution that can handle a range of metals with minimal fuss. It’s built to deliver clean starts, deep holes, and tight tolerances so you can move from pilot holes to final features with confidence.