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Unit:mm

Cross recessed raised countersunk head self-drilling tapping screws

GB /T 15856.3 - 1995

Display drawing:

国标GB /T15856.3 - 1995 GB15856.3 15856.3G Cross recessed raised countersunk head self-drilling tapping screws

Download CAD Model^*

^*Models with different eras.

Screw Thread
d

ST2.9

ST3.5

ST4.2

ST4.8

ST5.5

ST6.3

P	Pitch
d_k	max
d_k	min
k	max
Socket No.

1.1	1.3	1.4	1.6	1.8	1.8
5.5	7.3	8.4	9.3	10.3	11.3
5.2	6.9	8.0	8.9	9.9	10.9
1.7	2.35	2.6	2.8	3	3.15
1	2	2	2	3	3

Alternative history

GB /T 15856.3 - 1995 GB /T 15856.3 - 2002

Similar Standards

1		[DIN] DIN 7504 (Q) - 1982	Cross recessed raised contersunk self-drilling tapping screws
2		[DIN] DIN 7504 (R) - 1995	Cross recessed raised contersunk self-drilling tapping screws
3		[ISO] ISO 15483 - 1999	Cross Recessed Raised Countersunk Head Self-drilling And Tapping Screws
4		[DIN EN ISO] DIN EN ISO 15483 - 2000	Cross Recessed Raised Contersunk Head Drilling Screws With Tapping Screw Thread
5		[JIS] JIS B 1124 (T4) - 2003	Cross Recessed Raised Countersunk Head Drilling Screws
6		[NF] NF E 25-859 - 1999	Cross Recessed Raised Countersunk Head Drilling Screws With Tapping Screws Thread
7		[JIS] JIS B 1124 (F4) - 2021	Cross recessed raised countersunk head drilling screws
8		[GB] GB /T 15856.3 - 2002	Cross Recessed Raised Countersunk Head Self-Drilling Screws With Tapping Screw Thread