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Unit:inch

Slotted Countersunk Head Wood Screws

BS 1210 - 1963

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英标BS 1210 - 1963 BS1210 1210BS Slotted Countersunk Head Wood Screws

Screw Thread
d

0#

1#

2#

3#

4#

5#

6#

7#

8#

9#

d_s	max
d_s	min
d_k	max
d_k	min
k	max
n	max
n	min
t	Nominal Size

0.061	0.073	0.085	0.097	0.113	0.127	0.141	0.155	0.169	0.183
0.058	0.067	0.078	0.09	0.104	0.117	0.131	0.145	0.159	0.173
0.12	0.14	0.164	0.188	0.216	0.244	0.272	0.3	0.328	0.356
0.114	0.133	0.156	0.179	0.205	0.232	0.258	0.285	0.312	0.338
0.035	0.041	0.048	0.055	0.064	0.073	0.082	0.091	0.1	0.109
0.023	0.028	0.033	0.038	0.04	0.045	0.05	0.05	0.055	0.055
0.016	0.021	0.026	0.03	0.032	0.035	0.04	0.04	0.045	0.045
0.017	0.019	0.021	0.024	0.026	0.032	0.036	0.039	0.042	0.045

Screw Thread
d

10#

12#

14#

16#

18#

20#

24#

28#

32#

d_s	max
d_s	min
d_k	max
d_k	min
k	max
n	max
n	min
t	Nominal Size

0.197	0.225	0.253	0.281	0.309	0.337	0.393	0.449	0.505
0.186	0.212	0.238	0.266	0.294	0.322	0.378	0.434	0.490
0.384	0.44	0.496	0.552	0.608	0.664	0.776	0.888	1
0.365	0.418	0.472	0.524	0.578	0.631	0.737	0.844	0.95
0.117	0.135	0.153	0.170	0.188	0.205	0.241	0.276	0.31
0.06	0.065	0.075	0.075	0.085	0.085	0.095	0.105	0.105
0.05	0.055	0.065	0.065	0.075	0.075	0.085	0.095	0.095
0.047	0.053	0.058	0.069	0.074	0.079	0.09	0.101	0.112

①,a°=87° ~ 90°

Similar Standards

1		[DIN] DIN 97 - 2016	Slotted Countersunk (Flat) Head Wood Screws View Suppliers
2		[DIN] DIN 97 - 1986	Slotted Countersunk(flat) Head Wood Screws View Suppliers
3		[DIN] DIN 97 - 2010	Slotted countersunk (flat) head wood screws View Suppliers
4		[ASME/ANSI] ASME/ANSI B 18.6.1 - 1997	Slotted countersunk head wood screws
5		[ASME/ANSI] ASME/ANSI B 18.6.1 - 1981 (R2016)	Slotted Flat Countersunk Head Wood Screws
6		[JIS] JIS B 1135 - 1995	Slotted Countersunk Head Wood Screws
7		[NF] NF E 25-604 - 1984	Slotted Countersunk Head Wood Screws - Symbol F S
8		[GB] GB /T 100 - 1986	Slotted countersunk head wood screws
9		[CNS] CNS 1051 - 1959	Slotted Countersunk Head Wood Screws
10		[IS] IS 6760 - 1972	Specification For Slotted Countersunk Head Wood Screws