Dormer A777 HSCo Heavy-Duty Jobber Drill Bit 4.5mm, 80mm
Dormer HSCo Cobalt Drill Bit designed for aerospace & high-tensile materials. Bronze coating for longevity, 4.5mm tip, 81mm overall length.
The Dormer A777 HSCo Heavy-Duty Jobber Drill Bit is engineered for challenging drilling applications where high temperatures and tough materials are involved. Featuring a robust 135° split point, it is specifically designed for use in the aerospace industry and other high-tensile applications. The drill bit ensures efficient chip removal and reduced walking, thanks to its standard helix, right-hand spiral, and thick web design.
Constructed from HSCo Cobalt steel, this bit offers exceptional durability and heat resistance, making it ideal for prolonged use in demanding environments. The bronze surface treatment enhances performance and longevity, ensuring consistent drilling precision.
Specifications
- Flute Geometry: Standard Helix, Right-hand spiral, Thick Web
- Point Angle:
- 0.30 mm - 0.95 mm: 118° Conical point
- 1.00 mm to 1.40 mm: 135° 4-facet point
- 1.50 mm and above: 135° split point (NAS 907 Aerospace Specification type P3 Point)
- Material: HSCo Cobalt steel
- Surface Treatment: Bronze
- Standards Compliant: DIN 338 RN / BS328 / ISO 235
- Tip Diameter: 4.50 mm
- Working Length: 47 mm
- Overall Length: 81 mm
Ideal for professionals tackling high-strength materials, this drill bit from Dormer guarantees reliable performance and long-lasting sharpness.
- Aerospace Industry Applications
- High-Tensile Material Drilling
- Industrial Metalworking
- Professional Construction Projects
- Material: HSCo Cobalt steel
- Surface Treatment: Bronze
- Flute Geometry: Standard Helix
- Right-hand spiral
- Thick Web
- Point Angle: 135° split point (NAS 907 Aerospace Specification type P3 Point)
- Compliance Standards: DIN 338 RN, BS328, ISO 235
- Tip Diameter: 4.50 mm
- Working Length: 47 mm
- Overall Length: 81 mm
- Weight: 8 grams
Always follow local regulations and product guidance. Use appropriate PPE.
英国本土订单免标准运费。结账时可选快递配送及国际运输服务。
我们为多数产品提供30天退款保证。若商品存在质量问题，请在14天内联系我们进行更换或退款。
查看完整的配送与退货政策安全交易
我们极其重视您的支付和个人信息安全。我们的网站采用先进的加密技术，包括安全套接字层（SSL），以在传输过程中保护您的信息。您可以通过查看浏览器中的“https”和锁形图标来验证连接的安全性。
Cookie政策
Cookie通过跟踪您的购物篮并在您返回时记住您来提升购物体验。我们还根据您的浏览历史使用横幅广告，展示您可能感兴趣的产品。
安全警告
谨防网络钓鱼诈骗！我们绝不会通过电子邮件索取个人信息。如需此类信息，我们将要求您通过电话与我们联系。如收到要求提供敏感信息的电子邮件，请勿回复并立即告知我们。
