No.20, Xinbeiyuan Rd., Zhongli Dist., Taoyuan City 320, Taiwan


Machine Screws
Super low head hexagon socket head screw (Material: SUS304)

Characteristics of socket head cap screws
1. It is not easy to slip teeth.
2. It can be countersunk in use, that is, the whole nut is sunk into the workpiece, which can keep the surface of the workpiece smooth and beautiful.
3. More assembly occasions, especially narrow occasions, so it is very convenient to assemble and maintain, and it is also convenient to debug.
4. The tools we usually use are adjustable wrenches, screwdrivers and open-end wrenches, etc., and special wrenches must be used to remove the socket head cap screws. Therefore, it is not easy for ordinary people to disassemble, which is also a benefit.

In addition to saving space for fixing parts, low-head screws can also be used as cover bolts. They are mainly used in automobiles, construction, machinery, home appliances, electronic industries, locomotives and bicycle parts.


Product No.
Model number
Material + Surface Treatment
Thread Specifications
Screw length
Effective thread length
RU-856-7446 Y311-0306 SUS304 M3X0.5 6 全牙
RU-856-7447 Y311-0308 SUS304 M3X0.5 8 全牙
RU-856-7448 Y311-0310 SUS304 M3X0.5 10 全牙
RU-856-7449 Y311-0312 SUS304 M3X0.5 12 全牙
RU-856-7450 Y311-0406 SUS304 M4X0.7 6 全牙
RU-856-7451 Y311-0408 SUS304 M4X0.7 8 全牙
RU-856-7452 Y311-0410 SUS304 M4X0.7 10 全牙
RU-856-7453 Y311-0412 SUS304 M4X0.7 12 全牙
RU-856-7454 Y311-0416 SUS304 M4X0.7 16 全牙
RU-856-7455 Y311-0420 SUS304 M4X0.7 20 全牙
RU-856-7456 Y311-0506 SUS304 M5X0.8 6 全牙
RU-856-7457 Y311-0508 SUS304 M5X0.8 8 全牙
RU-856-7458 Y311-0510 SUS304 M5X0.8 10 全牙
RU-856-7459 Y311-0512 SUS304 M5X0.8 12 全牙
RU-856-7460 Y311-0516 SUS304 M5X0.8 16 全牙
RU-856-7461 Y311-0520 SUS304 M5X0.8 20 全牙
RU-856-7462 Y311-0525 SUS304 M5X0.8 25 全牙
RU-856-7463 Y311-0608 SUS304 M6X1 8 全牙
RU-856-7464 Y311-0610 SUS304 M6X1 10 全牙
RU-856-7465 Y311-0612 SUS304 M6X1 12 全牙
RU-856-7466 Y311-0616 SUS304 M6X1 16 全牙
RU-856-7467 Y311-0620 SUS304 M6X1 20 全牙
RU-856-7468 Y311-0625 SUS304 M6X1 25 全牙
RU-856-7469 Y311-0630 SUS304 M6X1 30 全牙
RU-856-7470 Y311-0808 SUS304 M8X1.25 8 全牙
RU-856-7471 Y311-0810 SUS304 M8X1.25 10 全牙
RU-856-7472 Y311-0812 SUS304 M8X1.25 12 全牙
RU-856-7473 Y311-0816 SUS304 M8X1.25 16 全牙
RU-856-7474 Y311-0820 SUS304 M8X1.25 20 全牙
RU-856-7475 Y311-0825 SUS304 M8X1.25 25 全牙
RU-856-7476 Y311-0830 SUS304 M8X1.25 30 全牙
RU-856-7477 Y311-0835 SUS304 M8X1.25 35 全牙

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