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Same specifications, different dimensions for other parts.

Metric hexagon head tapping screws [Table 20]

ASME B 18.6.5M - 2000 (R2010)

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Screw Thread
d

ST2.2

ST2.9

ST3.5

ST4.2

ST4.8

ST5.5

ST6.3

ST8

ST9.5

ST9.5 ^①

P	Pitch
d_k	max
d_k	min
e	min
k	max
k	min
r	min
b	min
Type of Thread and Point

0.8	1	1.3	1.4	1.6	1.8	1.8	2.1	2.1	2.1
3.2	5	5.5	7	8	8	10	13	16	15
3.02	4.82	5.32	6.78	7.78	7.78	9.78	12.73	15.73	14.73
3.38	5.4	5.96	7.59	8.71	8.71	10.95	14.26	17.62	16.5
1.6	2.3	2.6	3	3.8	4.1	4.7	6	7.5	7.5
1.3	2	2.3	2.6	3.3	3.6	4.1	5.2	6.5	6.5
0.1	0.1	0.1	0.2	0.2	0.2	0.3	0.4	0.4	0.4
13	17	21	25	29	33	38	38	38	38
AB,B,BF,BT	AB,B,BF,BT	AB,B,BF,BT	AB,B,BF,BT	AB,B,BF,BT	AB,B,BF,BT	AB,B,BF,BT	AB,B,BF,BT	AB,B,BF,BT	AB,B,BF,BT

Screw Thread
d

M2.5

M3.5

M10

M10 ^①

P	Pitch
d_k	max
d_k	min
e	min
k	max
k	min
r	min
b	min
Type of Thread and Point

0.4	0.45	0.5	0.6	0.7	0.8	1	1.25	1.5	1.5
3.2	4	5	5.5	7	8	10	13	16	15
3.02	3.82	4.82	5.32	6.78	7.78	9.78	12.73	15.73	14.73
3.38	4.28	5.4	5.96	7.59	8.71	10.95	14.26	17.62	16.5
1.6	2.1	2.3	2.6	3	3.8	4.7	6	7.5	7.5
1.3	1.8	2	2.3	2.6	3.3	4.1	5.2	6.5	6.5
0.1	0.1	0.1	0.1	0.2	0.2	0.3	0.4	0.4	0.4
12	15	18	21	24	30	38	38	38	38
D,F,T	D,F,T	D,F,T	D,F,T	D,F,T	D,F,T	D,F,T	D,F,T	D,F,T	D,F,T

①,The 9.5 and 10 mm size screws having heads with 15 mm width across flats are not ISO standard. Unless 9.5 mm and 10 mm size screws with 15 mm width across flats are specifically ordered, 9.5 mm and 10 mm size screws with 16 mm width across flats shall be furnished.
②,The comparable ISO standard is ISO 1479.

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Similar Standards

1	[DIN EN ISO] DIN EN ISO 1479 - 2011	Hexagon Head Tapping Screws View Suppliers
2	[DIN] DIN 7976 - 1990	Hexagon head tapping screws View Suppliers
3	[ASME] ASME B 18.6.4 - 1998	Hex Washer Head Tapping Screws - Type C Thread Forming [Table 40]
4	[ASME] ASME B 18.6.4 - 1998	Hex Washer Head Tapping Screws - Type AB Thread Forming [Table 40]
5	[ASME] ASME B 18.6.4 - 1998	Hex Washer Head Tapping Screws - Type A Thread Forming [Table 40]
6	[ASME] ASME B 18.6.3 (Hex-VI-A) - 2013	Hexalobular Socket Hex Head with Type A Thread-Forming Tapping Screws [Table 30&42]
7	[ASME] ASME B 18.6.4 - 1998	Regular And Large Hex Head Tapping Screws - Type A Thread Forming [Table 39]
8	[ASME] ASME B 18.6.3 (Hex[L]-VI-B/BP) - 2013	Hexalobular Socket Large Hex Head with Type B and Type BP Thread-Forming Tapping Screws [Table 30&41]
9	[ASME/ANSI] ASME/ANSI B 18.6.3 - 2010	Machine Screw and Tapping Screw Nuts (Inch Seires)
10	[ISO] ISO 1479 - 2011	Hexagon Head Tapping Screws
11	[ASME] ASME B 18.6.4 - 1998	Regular And Large Hex Head Tapping Screws - Type C Thread Forming [Table 39]
12	[ISO] ISO 1479 - 1983	Hexagon Head Tapping Screws
13	[ASME] ASME B 18.6.3 (T30-VI+T40) - 2013	Hexalobular Socket Hex Head with Type AB and ABR Thread-Forming Tapping Screws [Table 30&40]
14	[IFI] IFI 502 - 1982	Metric Hex Head Tapping Screws
15	[ASME] ASME B 18.6.3 (Hex-VI-B/BP) - 2013	Hexalobular Socket Hex Head with Type B and Type BP Thread-Forming Tapping Screws [Table 30&41]
16	[ASME] ASME B 18.6.4 - 1998	Regular And Large Hex Head Tapping Screws - Type B and BP Thread Forming [Table 39]
17	[ASME] ASME B 18.6.3 (Hex[L]-VI-A) - 2013	Hexalobular Socket Large Hex Head with Type A Thread-Forming Tapping Screws [Table 30&42]
18	[ASME] ASME B 18.6.3 (T29+T40) - 2013	Plain (Unslotted) and Slotted Regular and Large Hex Head Tapping Screws - Type AB and ABR
19	[ASME] ASME B 18.6.4 - 1998	Hex Washer Head Tapping Screws - Type B and BP Thread Forming [Table 40]
20	[ASME] ASME B 18.6.3 (T31-I+T40) - 2013	Recess Dimensions for Type I Nonindented Regular and Large Hex Head Tapping Screws - Type AB and ABR
21	[ASME] ASME B 18.6.3 (T30-I+T40) - 2013	Cross Recess Indented Regular and Large Hex Head Tapping Screws - Type AB and ABR
22	[ASME] ASME B 18.6.4 - 1998	Regular And Large Hex Head Tapping Screws - Type AB Thread Forming [Table 39]
23	[BS] BS 4174 - 1972	Hexagon Head Self-Tapping Screws [Table 21]
24	[JIS] JIS B 1123 - 1996	Hexagon Head Tapping Screws
25	[GB] GB /T 5285 - 2017	Hexagon Head Tapping Screws
26	[UNI] UNI 6949 - 1980	Hexagon head tapping screws
27	[GB] GB 5285 - 1985	Hexagon Head Tapping Screws
28	[NF] NF E 25-662 - 1994	Hexagon Head Tapping Screws
29	[YJT] YJT 4064 (WN1447C)	Hexagon Washer Head Tapping Screws [PT-K Thread]
30	[YJT] YJT 4063 (WN1446C)	Hexagon Head Tapping Screws [PT-K Thread]
31	[AS] AS /NZS 4402 - 1996	ISO metric hexagon head tapping screws
32	[CNS] CNS 4308 - 2000	Hexagon Head Tapping Screws