BS 4174 13

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Cross Recess 80° Raised Countersunk Head Screw...Information restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in mm - source BS 4174 Table 13 Cross Recess 80° Raised Countersunk Head Tapping Screws Publication date: 10 - 1972
Ø thread size	dk min	dk mx	k max	t min	t max	f nom	reccess nr.	m nom
ST 2.2	3.73	4.37	1.3	1.22	1.62	0.64	1	2.41
ST 2.9	4.95	5.71	1.7	1.93	2.34	0.84	1	3.12
ST 3.5
ST 4.2
ST 4.8
ST 5.5
ST 6.3
ST 8

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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Standard BS 4174 13