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
Cross Recess Pan Head SEMS Screw with Plain and Lock Washers (DIN 6905)
SEMS screw: plain washer and split lock washer held captive under the head. M3 x 0.5 to M6 x 1.0, 316 stainless steel.
- Section
- SEMS screws
- Part no.
- SG-SEMS-PPPLD
- Material
- Stainless steel
- Units
- Metric
Overview
A pan head SEMS screw with a cross recess (type Z) 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 DIN 7985 type Z recess, lock washer DIN 6905, plain washer BS 4320. Sizes M3 x 0.5 to M6 x 1.0.
Specifications
| Brand | S&G |
|---|---|
| Part no. series | SG-SEMS-PPPLD |
| Head | Pan head, cross recess (type Z) |
| Washers | Plain washer and split lock washer, held captive |
| Standards | DIN 7985 type Z recess, lock washer DIN 6905, plain washer BS 4320 |
| Material | 316 stainless steel (A4) |
| Finish | Passivated or chemi-black |
| Threads | M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0 |
| Units | Metric (class 6g threads) |
Sizes & part numbers
E is the washer stack in the compressed state. Longer lengths have a nominal full thread of 15 mm (M3, M4), 20 mm (M5) and 25 mm (M6). Other lengths are available. Values in mm. D is the plain washer outside diameter, max./min.
| Part no. | Thread T | A head Ø (mm) | B head ht (mm) | C driver no. | D washer Ø (mm) | E (mm) | F (mm) | Standard L1 (mm) |
|---|---|---|---|---|---|---|---|---|
| SG-SEMS-PPPLD-M3 | M3 x 0.5 | 6.0 | 2.4 | 1 | 7.0/6.7 | 1.4 | 2.6 | 6, 8, 10, 12, 16, 20, 25, 30 |
| SG-SEMS-PPPLD-M4 | M4 x 0.7 | 8.0 | 3.1 | 2 | 9.0/8.7 | 1.5 | 3.0 | 8, 10, 12, 16, 20, 25, 30 |
| SG-SEMS-PPPLD-M5 | M5 x 0.8 | 10.0 | 3.8 | 2 | 10.0/9.7 | 1.9 | 3.6 | 10, 12, 16, 20, 25, 30 |
| SG-SEMS-PPPLD-M6 | M6 x 1.0 | 12.0 | 4.6 | 3 | 12.5/12.1 | 2.2 | 4.5 | 12, 16, 20, 25, 30 |
How to order
Quote the part number with the underhead length L1, for example SG-SEMS-PPPLD-M4 × 16 mm, 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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