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ASME B 18.6

Metric Type III Square-Recessed Oval Countersunk Head Tapping Screws

ASME B 18.6.5M (T15) - 2000 (R2010) 米制四方槽半沉头自攻钉 [Table 15]

See all versions and complete specifications: Metric Type III Square-Recessed Oval Countersunk Head Tapping Screws — 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
ST2.9	1.3	1R	21	0.8	1.4	7.3	6.9	2.31	2.69	2.3	0.7
ST3.5	1.6	2R	29	1.2	2	9.3	8.9	2.84	3.23	2.8	1

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 18.6.5M (T11) - 2000 (R2010)— Metric Type Ill Square-Recessed Flat Countersunk Head 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

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