
M12 Spiral Pointed Taps Hsse Machine Taps Seven-Color Coating Cutting Thread Bit for Processing Copper and Aluminum Special Taps. Spiral Flute Design: Spiral groove taps suitable for blind holes with right-handed helical chip channel. High Hardness Material: Made of High-Speed Steel with cobalt content, hardness HRC65-67, high toughness. Seven-Color Coating: Dental coating significantly enhances hardness and wear resistance for durability. C3 Chamfer Type: Features C3 chamfer (3-5 threads) for precise thread cutting. Wide Material Compatibility: Applicable for Stainless Steel, Copper, and Aluminum processing. OEM/ODM Services: OEM and ODM services available for non-standard customization. Professional Manufacturer: Dongguan Yutong offers advanced equipment and professional technical team. Complete Export Documents: Provides commercial invoice, packing list, and complete export document package.