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
Inch Hex Socket Cap Head SEMS Screw with Plain and Lock Washers
SEMS screw: plain washer and split lock washer held captive under the head. 2-56 UNC to 1/4-28 UNF, 316 stainless steel.
- Section
- SEMS screws
- Part no.
- SG-SEMS-SCPL
- Material
- Stainless steel
- Units
- Inch
Overview
A cap head SEMS screw with a hex socket and a plain washer and split lock washer held captive under the head. The washer is fitted before the thread is rolled, so it cannot fall off: the screw and washer go in as one part, which saves time on the line and stops loose washers getting lost in equipment.
Made in 316 stainless steel (A4), passivated or chemi-black. Head dimensions to BS 2470, lock washer MS35338. Sizes 2-56 UNC to 1/4-28 UNF.
Specifications
| Brand | S&G |
|---|---|
| Part no. series | SG-SEMS-SCPL |
| Head | Cap head, hex socket |
| Washers | Plain washer and split lock washer, held captive |
| Standards | BS 2470, lock washer MS35338 |
| Material | 316 stainless steel (A4) |
| Finish | Passivated or chemi-black |
| Threads | 2-56 UNC, 4-40 UNC, 6-32 UNC, 8-32 UNC, 10-32 UNF, 1/4-28 UNF |
| Units | Inch (class 2A threads) |
Sizes & part numbers
All values in inches. A and B are maximum values; E is the washer stack in the compressed state. Values in inches. D is the plain washer outside diameter, max./min.
| Part no. | Thread T | A head Ø (in) | B head ht (in) | C socket | D washer Ø (in) | E (in) | F (in) | Standard L1 (in) |
|---|---|---|---|---|---|---|---|---|
| SG-SEMS-SCPL-2-56 | 2-56 UNC | 0.14 | 0.086 | 1/16 | .185/.180 | 0.04 | 0.078 | .250, .312, .375, .437, .500, .625, .750, 1.000 |
| SG-SEMS-SCPL-4-40 | 4-40 UNC | 0.183 | 0.112 | 5/64 | .244/.236 | 0.045 | 0.095 | .250, .312, .375, .437, .500, .625, .750, 1.000 |
| SG-SEMS-SCPL-6-32 | 6-32 UNC | 0.226 | 0.138 | 3/32 | .295/.290 | 0.051 | 0.113 | .312, .375, .437, .500, .625, .750, 1.000 |
| SG-SEMS-SCPL-8-32 | 8-32 UNC | 0.27 | 0.164 | 1/8 | .341/.336 | 0.068 | 0.139 | .312, .375, .437, .500, .625, .750, 1.000 |
| SG-SEMS-SCPL-10-32 | 10-32 UNF | 0.312 | 0.19 | 5/32 | .391/.386 | 0.079 | 0.157 | .375, .437, .500, .625, .750, 1.000 |
| SG-SEMS-SCPL-1/4-28 | 1/4-28 UNF | 0.375 | 0.25 | 3/16 | .562/.557 | 0.098 | 0.195 | .500, .625, .750, 1.000 |
How to order
Quote the part number with the underhead length L1, for example SG-SEMS-SCPL-4-40 × .500 in, and the finish: passivated or black. Other lengths are made to order.
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
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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