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BS 4174 - 1972

80°Slotted Raised Countersunk Head Tapping Screws [Table 12]

BS 4174 - 1972 开槽80°半沉头自攻钉 [Table 12]

See all versions and complete specifications: 80°Slotted Raised Countersunk Head Tapping Screws [Table 12] — Full Specification Page

Dimensional Specifications — BS 4174 - 1972 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
2#	5.71	0.039	0.067	0.79	1.37	4.95	1.7	0.225	0.195	0.99	0.84
4#	8.43	0.054	0.100	1.14	2.03	7.42	2.54	0.332	0.292	1.37	1.22
6#	11.13	0.067	0.132	1.42	2.72	9.88	3.35	0.438	0.389	1.7	1.6
8#	16.13	0.084	0.191	1.83	3.96

Related Standards

GB /T 5284 - 2017— Slotted Raised Countersunk (Oval) Head Tapping Screws GB /T 5284 - 1985— Slotted Raised Countersunk Head Tapping Screws IFI 502 - 1982— Metric Slotted Oval Countersunk Head Tapping Screws DIN 7973 - 1990— Slotted Raised Countersunk Head Tapping Screws ISO 1483 - 2011— Slotted Raised Countersunk (Oval) Head Tapping Screws ISO 9268 (F1) - 1988— Metal Bone Screw with Single-slot Recess, with Symmetrical Thread Form HC [Figure 1]ISO 1483 - 1983— Slotted Raised Countersunk Head Tapping Screws JIS B 1115 (JA5) - 2015— Slotted Raised Countersunk Head Tapping Screws [Table JA5]

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