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BS 4174 - 1972

Cross Recess 80° Truncated Raised Countersunk Head Screws [Table 15]

BS 4174 - 1972 米字槽80°半沉头清根自攻钉 [Table 15]

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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	0.195	0.225	0.84	2.34	4.95	1.19	3.12	1	0.96	1.93
4#	8.43	0.292	0.332	1.22	3.12	7.42	1.78	4.65	2	1.47	2.67

Related Standards

GB /T 847 - 2017— Cross Recessed Raised Countersunk (Oval) Head Tapping Screws GB 847 - 1985— Cross Recessed Raised Countersunk Head Tapping Screws DIN 7983 - 1990— Cross Recessed Raised Countersunk Head Tapping Screws ISO 7051 - 2011— Cross Recessed Raised Countersunk Head Tapping Screws ISO 7051 - 1983— Cross Recessed Raised Countersunk Head Tapping Screws ISO 9268 (F2) - 1988— Metal Bone Screw, with Cruciate Recess, Thread Form HC [Figure 2]JIS B 1122 (T9) - 2015— Cross Recessed Raised Countersunk Head Tapping Screws JIS B 1122 (JA5) - 2015— Cross Recessed Raised Countersunk Head Tapping Screws - Threaded Portion are of Class 1 to 4

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