Suitable for precision grinding of carbide, gems, glass, ceramics, tough alloys, cermets, tool steels etc.

Features and Benefits
• Diamond grip mesh is 120/140 for cutting hard substrates
• Ideal for operating speeds of up to 15,000 - 30,000 rpm
• Range of cutting head sizes to suit application

Typical Applications
• Deburring
• Grinding
• Hard substrates

Counterbores N with a diameter of 50mm and larger are all made with a driving lip. These sizes should be used in the appropriate type M toolholder.

Dimensions (mm) N, NA & W
Counterbores N, and NA with Ø of 50 mm and larger are all made with a driving lip. These sizes should be used in the appropriate type M toolholder
d: 14.0; d1: 6.0; L: 48.0; L1: 28.0.

Series J100 - Metric general purpose drills for steels, cast steel, grey cast iron, malleable cast iron, nickel brass, aluminium alloy and graphite.

Features and Benefits
• High speed steel construction with bright finish for increased toughness
• Supplied in the as-ground condition for use with non ferrous materials

Standards
• Manufactured to BS 328/DIN338RN

Notes
• Drills with a bright finish are supplied in the as-ground condition and such tools are used generally in the machining of non-ferrous materials.

General purpose chamfering/deburring and countersinking tool manufactured from durable high speed steel with a bright finish. Featuring 3 ground flutes for optimal performance.


Features and Benefits
• Manufactured from high speed steel for improved rigidity and stability
• 3 flutes for efficient chagrining and deburring performance


Contents
5- piece set
• 6.30mm
• 8.30mm
• 13.40mm
• 15.00mm
• 19.00mm


Specifications
• Bright finish
• 3 flutes
• Ground all over
• Made to DIN 335