8.5mm HSS-Cobalt SH/Slot Drill

Description

8.5mm HSS-Cobalt SH/Slot Drill

Short Series – Metric. Bright finish. Flute type: 30° helix. Manufactured to BS 122: Part 4: 1980.

Features:

• Short series design for improved rigidity
• Bright finish for enhanced chip removal
• 30° helix flute type for efficient cutting

Specifications:

• Diameter: 8.5mm
• Manufactured to BS 122: Part 4: 1980
• Flute type: 30° helix

Metric Tolerances:

• Diameter: up to 3.00 – Tolerance: +0.013 -0.033
• Diameter: Over 3.00 up to 6.00 – Tolerance: +0.020 -0.038
• Diameter: Over 6.00 up to 10.00 – Tolerance: +0.025 -0.046
• Diameter: Over 10.00 up to 18.00 – Tolerance: +0.033 -0.058
• Diameter: Over 18.00 up to 30.00 – Tolerance: +0.041 -0.071
• Diameter: Over 30.00 – Tolerance: +0.051 -0.089