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.

HSS multi diameter step drills produce good quality holes in a wide variety of sheet metal, using either a bench drill or light pedestal drilling machine. Manufactured from high speed steel, they offer sound rigidity, strength and stability when machining. Each tool cuts parallel holes in a range of specific sizes and is compatible with materials up to 1/8" (3mm) thick.

Features and Benefits
• High speed steel construction for greater strength, rigidity and stability
• Excellent wear and heat resistance for prolonged tool life
• Cuts parallel holes in sheet metal

Typical Applications
• Drilling
• Sheet metal

Notes
• Available sizes 1-12mm to 6-37mm

Set of various style burrs packaged in a handy pocket 'glasses case' style plastic holder. Ideal for the shop floor workman with various de-burring tasks. Suitable for precision grinding of carbide gems, ceramics, tough alloys, cermets, tool steels etc

Features and Benefits
• Diamond coated for improved hardness
• Excellent performance with precise grinding

Contents
• Assorted sizes of ball shape
• Cylindrical
• Ball nose cylindrical
• Tree shape and conical


Specifications
• Diamond grip mesh is 120/140
• recommended operating speeds 15,000 - 30,000
• Up to 4.5mm diameter
• Overall length 45mm
• 3mm shank

Typical Applications
• Grinding
• Carbide gems
• Glass
• Ceramics
• Tough alloys
• Cermets
• Tool steels

SwissBurr hand deburring tools are a fast effective and efficient way of deburring holes, slots and edges.

Features and Benefits
• SwissBurr is a totally modular system of interchangeable handles, holders and blades designed to cover all applications
• A choice of HSS or carbide blades, countersinks and scrapers are available to suit your specific application
• SwissBurr blades are fully interchangeable with commonly available brands including Kennedy, Noga, Ruko, Seco, Snap-Tap and Stellram