Overview: This document provides a detailed specification of twist drills designed for aluminum drilling. The drills are characterized by their dimensions, tolerances, and material properties.
Specifications:- Material: The drills are made from micrograin carbide, specifically HM with a grade of K20-K40.
- Standard: The drills conform to DIN 6527 standards.
- Design: The drills feature a 30° helix angle (HA) and a 140° point angle.
- Coolant: These are twist drills with internal coolant channels.
Dimensions and Tolerances:- The document lists various drills with diameters (Dc) ranging from 3.00 mm to 20.00 mm.
- Each drill has a specific tolerance class of m7.
- Length specifications include L1 and L2, with varying dimensions depending on the drill diameter.
- The secondary diameter (D2) also varies, corresponding to the primary diameter.
Applications:- These drills are specifically designed for efficient aluminum drilling, providing precision and durability.
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