Dormer A321 Jobber Drill SET HSS Precision Drill Bit 3-13mm

Dormer A321 Jobber Drill HSS Precision Drill Bit with flatted shanks 3-13mm 

Ideal for use in power tools and pillar drills, the flatted shank helps to prevents the drill bit slipping in the chuck.

Drill bit set in standard plastic cassette consisting out of 21 mechanics length drills with three-flat shank, A321 diameters 3.0 up to 13.0 mm in increments of 0.5 mm, according Work Norm with 135° split point. HSS with steam and bronze tempered surface finish. Primarily suited for hand-held operations and pillar drill machines.

The Dormer A321 Jobber Drill is a high-speed steel (HSS) drill bit engineered for exceptional accuracy, durability, and versatility. Designed for professional use across industries—from automotive and aerospace manufacturing to metal fabrication, engineering, and construction—this tool delivers consistent performance in a wide range of materials.

Dormer A321 Jobber Drill HSS Precision Drill Bit 3-13mm

Key Features

• Premium HSS Construction: Built from high-speed steel for superior wear resistance and extended tool life.

• Standard 118° Point Angle: Ensures clean, accurate hole starts and reliable penetration.

• Optimized Helix Design: Provides fast chip removal and a smooth finish on every hole.

• Bright Finish: Reduces friction and heat buildup for better performance.

• Jobber Length: Ideal balance between strength and reach for general-purpose drilling.

• Versatile Performance: Perfect for steel, stainless steel, aluminum, brass, and plastics.

Industry Applications

• Automotive Manufacturing: Precision drilling for engine components, brackets, and assemblies.

• Aerospace & Aviation: Reliable hole quality in aluminum, titanium, and aerospace-grade alloys.

• General Engineering & Machining: Everyday workshop use for accurate, repeatable drilling.

• Metal Fabrication: Efficient cutting and assembly operations in sheet and structural steel.

• Construction & Maintenance: Durable, multi-material bit for on-site drilling and repair tasks.

Why Choose the Dormer A321 Jobber Drill?

Dormer is a globally recognized brand known for precision, innovation, and reliability in cutting tools. The A321 Jobber Drill represents Dormer’s commitment to long-lasting performance, tight tolerances, and cost-effective productivity — making it the go-to choice for professionals who demand the best.

Technical Specifications

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Enhance your productivity with the Dormer A321 Jobber Drill — trusted by professionals in automotive, aerospace, and engineering industries worldwide.
Order now to experience precision, durability, and performance in every drill.