Hex Socket Cap Head SEMS Screw with Plain Washer

SEMS screw: plain washer held captive under the head. M2 x 0.4 to M10 x 1.5, 316 stainless steel.

Section: SEMS screws
Part no.: SG-SEMS-SCP
Material: Stainless steel
Units: Metric

Overview

A cap head SEMS screw with a hex socket and a plain 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 EN ISO 4762 / DIN 912. Sizes M2 x 0.4 to M10 x 1.5.

Specifications

Brand	S&G
Part no. series	SG-SEMS-SCP
Head	Cap head, hex socket
Washers	Plain washer, held captive
Standards	BS EN ISO 4762 / DIN 912
Material	316 stainless steel (A4)
Finish	Passivated or chemi-black
Threads	M2 x 0.4, M2.5 x 0.45, M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1.0, M8 x 1.25, M10 x 1.5
Units	Metric (class 6g threads)
Thread-locking patch	Optional

Sizes & part numbers

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 socket	D washer Ø (mm)	E (mm)	F (mm)	Standard L1 (mm)
SG-SEMS-SCP-M2	M2 x 0.4	3.8	2.0	1.5	5.0/4.7	0.3	0.9	6, 8, 10, 12, 16
SG-SEMS-SCP-M2.5	M2.5 x 0.45	4.5	2.5	2	6.5/6.2	0.5	1.17	6, 8, 10, 12, 16, 20
SG-SEMS-SCP-M3	M3 x 0.5	5.5	3.0	2.5	7.0/6.7	0.5	1.25	6, 8, 10, 12, 16, 20, 25, 30
SG-SEMS-SCP-M4	M4 x 0.7	7.0	4.0	3	9.0/8.7	0.5	1.55	8, 10, 12, 16, 20, 25, 30
SG-SEMS-SCP-M5	M5 x 0.8	8.5	5.0	4	10.0/9.7	0.7	1.9	10, 12, 16, 20, 25, 30
SG-SEMS-SCP-M6	M6 x 1.0	10.0	6.0	5	12.5/12.1	0.7	2.2	12, 16, 20, 25, 30
SG-SEMS-SCP-M8	M8 x 1.25	13.0	8.0	6	17.0/16.6	1.0	2.87	16, 20, 25, 30
SG-SEMS-SCP-M10	M10 x 1.5	16.0	10.0	8	21.0/20.5	1.25	3.5	20, 25, 30

How to order

Quote the part number with the underhead length L1, for example SG-SEMS-SCP-M2.5 × 12 mm, and the finish: passivated or black. Ask for a thread-locking patch if you need one. Other lengths are made to order.