Dormer
A100 Series HSS Straight Shank Jobber Drills (Metric) general purpose drills are manufactured from durable high speed steel with a black oxide steam tempered coating for improved chip flow and heat resistance.
Features and Benefits
• High speed steel construction for greater durability
• Black oxide steam tempered finish for improved chip flow and heat resistance
• Suitable for use on a range of metals including steel and grey cast iron
Specifications
• High speed steel
• Steam temepered black oxide finish
• Point angle: 118°
• Helix angle: normal
• Web thickness: standard
• Relief angle: 10° – 20°
• Tolerance of diameter: h8
• Tolerance of shank: f11
• Black finish (W-Finish)
• BS 328/DIN338RN
Typical Applications
• Steels
• Cast steel
• Grey cast iron
• Malleable cast iron
• Nickel brass
• Aluminium alloy
• Graphite
Sherwood
The J100 Series are general purpose HSS straight shank drills with a black oxide finish. Ideal for applications involving steel (including cast steel) cast iron (including malleable cast iron) as well as nickel, brass aluminium alloys and graphite. Their 118° point allows for precise hole alignment and reliable cutting performance whilst the black oxide coating helps reduce heat by retaining coolant on the tool surface. The coating also helps reduce the risk of the tool staining.
Features and Benefits
• High speed steel construction for increased tool durability
• Point angle of 118° for precise holemaking and precision cutting
• Black oxide coating helps aid chip flow, reduce heat and prevent staining
• Ideal for applications involving steel, iron, nickel, brass, aluminium alloy and graphite
Typical Applications
• Cutting and drilling
• Ferrous materials
• Steel
• Iron
• Nickel
• Brass
• Aluminium alloy
• Graphite
