Ningbo Rolee Import and Export Co., Ltd
Ningbo Rolee Imp. & Exp. Co., Ltd sales@irolee.com Mob/Whatsapp/Skype: +86 15867456779
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A2-70 Stainless Steel Hexagon Head SEMS Screw with Double Washers, Spring+Flat Lock Washers
SEMS screws are also called combination screws, which are assemblies of screw bolt with washers.
The screw is assembled with a spring lockwasher and a flat washer. The flat washer protects delicate surfaces from damage while the split washer resists loosening from small amounts of vibration. Hex head can be installed with a hex driver bit or an allen wrench.
Those serial screws are used in the areas of electronic products, chemical industry, mechanical equipment, furniture, etc.
A2-70 stainless steel has bigger tensile strength than common stainless 18-8 or 304.
Specification
| Type | SEMS Screw / SEMS Bolt |
| Finish | Plain |
| Head Type | Hex |
| Drive Type | Exterior Hex |
| Washer | Double, Flat+Spring Washers |
| Diameter | M4 ~ M10 |
| Length | 8mm ~ 100mm |
| Standard | DIN, GB (Metric), ANSI(Customized) |
| Stock | Some Metric |
Contact
If you're insterested in our stainless steel hexagon head screw with double washers, please do not hesitate to send us an email or call us at +8615867456779(Mobile) directly.
For stock, we suggest you double check from us before placing order, thank you!