英文原文:

Inch Series Series C100 are designed with spiral flutes and various lengths and forms to give high quality centre holes that suit most applications.

Features and Benefits
• Manufactured from high speed steel for increased tool durability
• Spiral flutes create quality centre holes
• Suitable for drilling steel, cast iron, aluminium, brass and plastics

Specifications
• 60° inclusive angle
• Point angle 120°
• Plain round shank
• Manufactured to BS328: Part 2:1986, DIN333A, ISO866, ISO2540, ISO2541

Typical Applications
• Steel
• Stainless Steel
• Cast iron
• Aluminium
• Brass
• Plastics

中文翻译：
英制系列C100采用螺旋槽设计，具有多种长度和形式，可提供适用于大多数应用的高质量中心孔。

特点和优点
- 采用高速钢制造，增加了工具的耐用性
- 螺旋槽可创建优质的中心孔
- 适用于钻钢、铸铁、铝、黄铜和塑料材料

规格
- 60度的包容角
- 点角120度
- 平圆柄
- 制造标准符合BS328:Part2:1986, DIN333A, ISO866, ISO2540, ISO2541

典型应用
- 钢材
- 不锈钢
- 铸铁
- 铝材
- 黄铜
- 塑料