SciTech-ICEE-Industrial Standard - Metric System公制标准 - 工具🛠️-Screwdriver(螺丝刀)+ 最常用的两种Bits(批头)规格: 6.35mm的家装 与 4mm精密用(电器精电)

SciTech-ICEE-Industrial Standard工业标准 - 工具🛠️

Screwdriver(螺丝刀)+ 最常用的两种Bits(批头)规格: 6.35mm的家装 与 4mm精密用(电器精电)

首先 6.35mm 与 4mm ，是指Bits(批头)的"直径(边缘任意两点的最长距离)"，
而且Bits(批头)都是 "正六边形"的，直径是指正六边形的"外接圆的直径"。

• 4.0mm精密用Bits(批头)规格
  例如: 手机、笔记本电脑、数码相机、眼镜、钟表等
• 6.35mm家庭装修等常用
  例如: DesktooPC(台式电脑)、电视、冰箱、洗衣机、空调、电扇、家具什么的；

一字 + 十字 + Y型 + 星型 + …

Fractional Inch Drill Bit Sizes

Imperial (fractional inch) bits are common in the UK and US.
This table shows the most common sizes used in everyday work, with metric equivalents:

Imperial size TO Metric size Convertion Table

Fractional Size	Decimal (inches)	Metric (mm)	Common Uses
1/16″	0.0625″	1.588 mm	Pilot holes, electronics
3/32″	0.09375″	2.381 mm	Small pilot holes
1/8″	0.125″	3.175 mm	Pilot holes for #8 screws
5/32″	0.15625″	3.969 mm	General pilot holes
3/16″	0.1875″	4.763 mm	Small wall plugs, general use
7/32″	0.21875″	5.556 mm	Yellow wall plugs equivalent
1/4″	0.25″	6.35 mm	Red wall plugs equivalent, general use
9/32″	0.28125″	7.144 mm	Brown wall plugs equivalent
5/16″	0.3125″	7.938 mm	General use, bolt holes
11/32″	0.34375″	8.731 mm	Blue wall plugs equivalent
3/8″	0.375″	9.525 mm	General use, bolt holes
13/32″	0.40625″	10.319 mm	Large holes
7/16″	0.4375″	11.112 mm	Large holes
15/32″	0.46875″	11.906 mm	Grey wall plugs equivalent
1/2″	0.5″	12.7 mm	Large holes, pipes
9/16″	0.5625″	14.288 mm Large holes
5/8″	0.625″	15.875 mm	Large holes, pipes
3/4″	0.75″	19.05 mm	Large holes, plumbing
7/8″	0.875″	22.225 mm	Very large holes
1″	1.0″	25.4 mm	Very large holes, pipes

Numbered Drill Bit Sizes (#1 to #60)

Bosch Go3	6.35mm的最常用Bits(批头)规格

Pro'sKit SD-9376M	4.0mm精密用Bits(批头)规格

Pro'sKit DP-366A(防静电强力款) + 9DP-031B DESOLDERING WICK	4.0mm精密用Bits(批头)规格