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IFI 156

Heavy Duty Thumb Screws, Type B

IFI 156 (T4) - 2002 B型重型拇指螺钉 [Table4]

See all versions and complete specifications: Heavy Duty Thumb Screws, Type B — Full Specification Page

Dimensional Specifications — IFI 156 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
1/4	0.3750	4.00	0.12	0.94	0.84	16	1.41	0.28	0.14	1.34	0.30
10#	0.2500	3.00	0.09	0.81	0.72	20	1.05	0.22	0.11	0.99	0.24
5/16	0.5000	3.00	0.16	1.09	0.97	13	1.81	0.38	0.18	1.72	0.40

Related Standards

IFI 156 (T3) - 2002— Type B, Regular Thumb Screws IFI 156 (T1) - 2002— Regular Thumb Screws, Type A IFI 156 (T2) - 2002— Heavy Thumb Screws, Type A ASME/ANSI B 18.17 - 1968 (R1983)— Regular Thumb Screws, Type B ASME/ANSI B 18.17 - 1968 (R1983)— Type A,Regular Thumb Screws ASME/ANSI B 18.17 - 1968 (R1983)— Type A, Heavy Thumb Screws ASME/ANSI B 18.17 - 1968 (R1983)— Thumb Screws - Heavy Type ASME B 18.6.8 - 2010— Type A, Regular Round Head Thumb Screws

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