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ASME B 18.6

Type IA Cross Recessed Oval Countersunk Head Tapping Screws - Type C Thread Forming [Table 22]

ASME B 18.6.4 - 1998 (R2005) IA型米字槽半沉头自攻螺钉 C型(统一螺纹) [Table 22]

See all versions and complete specifications: Type IA Cross Recessed Oval Countersunk Head Tapping Screws - Type C Thread Forming [Table 22] — Full Specification Page

Dimensional Specifications — ASME B 18.6 (mm)

Size	P	e	r	k_max	k_min	s_max	s_min	ds_max	ds_min	k_nominal	ds_nominal
2#	0.0990	1	0.030	0.059	0.033	7/32	0.187	0.118	0.077	0.167	0.092
3#	0.1250	2	0.041	0.075	0.041	1/4	0.237	0.152	0.080	0.215	0.116

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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