SEMS Screw
Hex Head SEMS Screw M12×30
C6BDCB120-0300
| Product Group | SEMS Screw |
|---|---|
| Manufacturing Basis | JK Standard (in-house) |
| Head Type | Hex Head |
| Hex Head Forming | Offset |
| Thread Type | SEMS (Spring + Plain Washer) |
| Spring Washer O.D. | 20 mm |
| Spring Washer Thickness | 3 mm |
| Plain Washer O.D. | 24 mm |
| Plain Washer Thickness | 1.6 mm |
| Nominal Diameter | M12 |
| Pitch | 1.75 mm |
| Width A/F s | 19 mm |
| Width A/C e | 21.9 mm |
| Head Height H | 7.5 mm |
| Length | 30 mm |
| Material | Carbon Steel (SWCH10A) |
| Heat Treatment | Not Applicable |
| Finish | Yellow Zinc Plated |
This geometry data is based on actual production parts. Test certificates are issued only for lots shipped directly by us.
Standard Industrial Stock Item — JK Standard refers to the in-house manufacturing standard of Jungkum Fastener Industrial Co., Ltd. This item is produced and controlled under that standard, which references the relevant public standards. Applications requiring full KS-standard compliance (e.g. defense, nuclear power) are handled on a dedicated production line — please contact us.