Machine Taps For Aluminum Alloy Material: HSS-E(Cobalt) Coating: CrN/TiN Precision Grade:DIN 6H/4H, JIS OH1/OH2, ISO 1/2 Customization: OEM/ODM Available
1. Tap Type: Roll Form Tap (Primary Choice for Aluminum) - Chip-free cold forming, no cutting chips, avoiding chip jamming and thread damage; Spiral Point Tap (Secondary Choice) - Forward chip evacuation, suitable for through hole aluminum machining.
2. Base Material: HSS-E (Cobalt Content 5%-8%) / HSS-Co (Cobalt Content 5%), high hardness (HRC 62-66), good toughness, suitable for high-speed CNC machining of aluminum alloy, no chipping or breaking.
3. Coating Specification: CrN (Nitrogen Chromium) Coated - Silver-Grey, Hardness HV 2000-2500, excellent anti-adhesion and wear resistance, specially designed for aluminum to prevent built-up edge; TiN (Titanium Nitride) Coated - Golden, Hardness HV 2000, cost-effective, suitable for general aluminum machining; DLC Coated - Black, Ultra-smooth surface, for high-precision aluminum parts.
4. Precision & Standard: Precision Grade: DIN 6H/4H, JIS OH1/OH2, ISO 1/2; Thread Standard: Metric (M3-M24), UNC (1/4-20), UNF (3/8-24), BSW, NPT; Handle Type: DIN 371 (Thick Shank) / DIN 376 (Thin Shank) / JIS Standard (Compact Shank).
5. Machining Performance: Recommended Speed: 2000-3500 RPM (for aluminum); Applicable Workpiece Hardness: ≤ HRC 15 (aluminum alloy); Machining Feature: High Precision Thread, Smooth Surface, No Burrs, Anti-Adhesion, Suitable for Mass Production.
6. Customization: OEM/ODM Available, supporting customization of tap size, thread standard, coating type, handle length and brand logo to meet different market and customer needs.