Hex Socket Cap Head SEMS Screw with Plain Washer
Cap head, hex socket, plain washer. M2 x 0.4 to M10 x 1.5, 316 stainless.
Image is a rendering of this SEMS screw, made from its data sheet dimensions.
SEMS Screws
Hex Spacer SEMS with Plain Washer
SEMS screw: plain washer held captive. M2.5 x 0.45 to M5 x 0.8, 316 stainless steel.
- Section
- SEMS screws
- Part no.
- SG-SEMS-HSP
- Material
- Stainless steel
- Units
- Metric
Overview
A hex spacer SEMS: a stainless steel hex spacer with a male thread, and a plain washer held captive under the spacer. One side takes a screw in its female thread, the other side screws into the panel, so it builds a stand-off for PCBs, covers and instrument plates in one part.
Made in 303 or 316 stainless steel spacer, 316 stainless steel washers, passivated or chemi-black. Head dimensions to Spacer 303 or 316 stainless steel, washer 316. Sizes M2.5 x 0.45 to M5 x 0.8.
Specifications
| Brand | S&G |
|---|---|
| Part no. series | SG-SEMS-HSP |
| Washers | Plain washer, held captive |
| Standards | Spacer 303 or 316 stainless steel, washer 316 |
| Material | 303 or 316 stainless steel spacer, 316 stainless steel washers |
| Finish | Passivated or chemi-black |
| Threads | M2.5 x 0.45, M3 x 0.5, M4 x 0.7, M5 x 0.8 |
| Units | Metric (class 6g threads) |
| Thread-locking patch | Optional |
Sizes & part numbers
A is the hex across flats. Spacer length L1 and male thread length L2 are made to order. Female thread depth L3 = L1 - 3 for L1 up to 10 mm, 8 mm for L1 of 11 mm and over. Values in mm. D is the plain washer outside diameter, max./min.
| Part no. | Thread T | A hex A/F (mm) | D washer Ø (mm) | E (mm) | F (mm) |
|---|---|---|---|---|---|
| SG-SEMS-HSP-M2.5 | M2.5 x 0.45 | 4.0 | 6.5/6.2 | 0.5 | 1.17 |
| SG-SEMS-HSP-M3 | M3 x 0.5 | 5.5 | 7.0/6.7 | 0.5 | 1.25 |
| SG-SEMS-HSP-M4 | M4 x 0.7 | 7.0 | 9.0/8.7 | 0.5 | 1.55 |
| SG-SEMS-HSP-M5 | M5 x 0.8 | 8.0 | 10.0/9.7 | 0.7 | 1.9 |
How to order
Quote the part number with the spacer length L1, the male thread length L2 and the spacer material, for example SG-SEMS-HSP-M3, L1 11 mm, L2 8 mm, 303 spacer (316 spacer also available). Add the finish: passivated or black. Ask for a thread-locking patch if you need one.
Key features
- Washer held captive: screw and washer fitted as one part
- No loose washers to drop into equipment
- 316 stainless steel for corrosion resistance
- Passivated or black finish
- Optional thread-locking patch
Applications
Electronic enclosuresControl panelsInstrumentsMarine & food equipmentRail & defence
Need a length, thread or washer not listed?Other lengths and combinations are made to order. Send us the part number or your drawing.Send enquiry
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