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Unit:inch

Slotted Mushroom Head Screws with B.S.W. & B.S.F. Threads [Table 8]

BS 450 - 1958

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英标BS 450 - 1958 BS450 450BS Slotted Mushroom Head Screws with B.S.W. & B.S.F. Threads [Table 8]

Thread Size
d

1/8

3/16

1/4

5/16

3/8

d
PP		No. of Threads/Inch	B.S.W.
			B.S.F.
d_k		max
		min
k		max
		min
n		max
		min
t		Nominal Size
r		Full shank	max
R		Reduced shank	max

0.1250	0.1875	0.2500	0.3125	0.3750
40	24	20	18	16
/	32	26	22	20
0.289	0.448	0.573	0.698	0.823
0.272	0.425	0.546	0.666	0.787
0.078	0.118	0.15	0.183	0.215
0.066	0.103	0.133	0.162	0.191
0.043	0.060	0.075	0.084	0.094
0.035	0.050	0.064	0.072	0.081
0.040	0.061	0.079	0.096	0.112
0.010	0.015	0.031	0.031	0.031
0.020	0.025	0.040	0.045	0.045

Suppliers

Best price if from GlobalFastener.com.

Yuyao Hutson Metal Product Co., Ltd.

Ma Huazhen/Xu Tianyang
+86-13095941973, 18268663653
+86-574-62761228

Material: stainless steel, A2-70, A2-80, A4-70, A4-80, A2(302, 303, 304), A4(316), 410, 430; Complete specifications

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Similar Standards

1		[ASME] ASME B 18.6.3 (T24) - 2013	Slotted Truss Head Screws [Table 24] (ASTM F837, F468)
2		[ASME/ANSI] ASME/ANSI B 18.6.3 - 2010	Slotted truss head machine screws
3		[JIS] JIS B 1101 - 2017	Slotted Truss Head Screws - Table JA.6
4		[JIS] JIS B 1101 - 1996	Slotted Truss Head Screws [Annex Attached Table 4]
5		[JIS] JIS B 1119 - 1986	Slotted Mushroom Head Screws For Spectacle Frames
6		[NF] NF F 03-005 (CR) - 1983	Railway rolling stock Grade A notched dome head machine screws
7		[AS] AS /NZS 1427 - 1996	ISO metric slotted mushroom head screws [Table 5]
8		[CNS] CNS 9672 - 1988	Slotted Mushroom Head Machine Screws