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NF E 25

Cross Recessed Raised Countersunk (Oval) Head Tapping Screws

NF E 25-657 - 1994 十字槽半沉头自攻螺钉

See all versions and complete specifications: Cross Recessed Raised Countersunk (Oval) Head Tapping Screws — Full Specification Page

Equivalent & Cross-Reference Standards

Standard Body	Standard Number
GB	GB /T 847
NF	NF E 25-657
DIN	DIN EN ISO 7051
ISO	ISO 7051

Dimensional Specifications — NF E 25 (mm)

Size	P	k_max	s_max	s_min	k_nominal
ST2.2	1.1	1	5.5	5.2	1.7
ST2.9	1.4	2	8.4	8	2.6
ST3.5	1.8	3	10.3	9.9	3
ST4.2	2.1	4	15.8	15.4	4.65
ST4.8	2.1

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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