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NC Spotting Drill with Chamfer (Rainbow‑Alu)

Rainbow-coated spotting drill with chamfer for accurate pre-drilling and deburring.

Hole-Making Tools

NC Spotting Drill with Chamfer (Rainbow-Alu)

Combines accurate NC spotting and chamfering to reduce tool changes and cycle time.

Product Advantages

01Accurate hole positioning
02Spotting and chamfering in one tool
03Reduced tool changes
04Stable, burr-controlled cutting

Technical Information

Item Specification
Tool Material Premium micro-grain solid carbide
Geometry NC spotting point with integrated chamfer geometry
Coating Rainbow coating optimized for non-ferrous metals
Recommended Materials Aluminum, aluminum alloys, copper, brass and other non-ferrous metals
Typical Operations Spot drilling, hole positioning and chamfering

Published Specifications & Cutting Data

The following values are based on the specifications currently published for this product. Please confirm stock dimensions and machining conditions before ordering.

Reference Specifications

Cutter Dia. D Included Angle A Shank Dia. D2 Overall Length L2 Flutes
2 60° 4 50 2
2 120° 4 50 2
3 60° 4 50 2
3 90° 3 50 2
3 120° 3 50 2
3 120° 4 50 2
4 60° 4 50 2
4 90° 4 50 2
4 120° 4 50 2
5 90° 5 50 2
6 60° 6 50 2
6 90° 6 50 2
8 90° 8 60 2
10 60° 10 75 2
10 90° 10 75 2

Recommended Cutting Parameters

Workpiece Material Cutting Speed Vc
Carbon Steel 100–160 m/min
Alloy Steel 80–140 m/min
Stainless Steel 50–100 m/min
Cast Iron 100–160 m/min

Customization & OEM Service

Custom cutting diameters, flute lengths, overall lengths, shank diameters, tool geometry, coatings, laser marking and private-label packaging are available according to your machining requirements.

Get a Quote for Your Cutting Tools

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