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ASME B 18.6

Metric Type Ill Square-Recessed Flat Countersunk Head Tapping Screws [Table 11]

ASME B 18.6.5M (T11) - 2000 (R2010) 米制四方槽沉头自攻钉 [Table 11]

See all versions and complete specifications: Metric Type Ill Square-Recessed Flat Countersunk Head Tapping Screws [Table 11] — Full Specification Page

Dimensional Specifications — ASME B 18.6 (mm)

Size	P	e	r	k_max	k_min	ds_min	k_nominal
ST2.9	1.3	2.31	0.7	6.9	2.3	1.4	7.3
ST3.5	1.6	2.84	1	8.9	2.8	2	9.3
ST4.2	1.8	3.38	1.2	10.9	3.1	2.4	11.3
ST4.8	2.1	4.85	2	17.8

Related Standards

ISO 5835 (F1) - 1991— Screw with Shallow Thread (HA) [Figure 1]ISO 5835 (F3) - 1991— Screw with Deep Thread (HB) [Figure 3]WS 9200 - 2014— Hexagon Socket Cheese Head Self-Tapping Screws ASME B 18.6.5M (T11) - 2000— Metric Square Recessed Flat Countersunk Tapping Screws [Table 11]ASME B 18.6.3 (H1B-III+T1A) - 2024— Square Recessed Countersunk Head Screws (ASTM F837, F468)ASME B 18.6.3 (H2B-III+T1A) - 2024— Square Recessed Raised Countersunk Head Tapping Screws - Type AB and ABR ASME B 18.6.3 (H3B-III+T1A) - 2024— Undercut 82-deg Square Recessed Countersunk Head Tapping Screws - Type AB (ABR)

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