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Hex head flange tapping screws [Table 21]

ASME/ANSI B 18.6.5M - 2000 (R2010)

Display drawing:

Screw Thread
d

ST2.2

ST2.9

ST3.5

ST4.2

ST4.8

ST5.5

ST6.3

ST8

ST9.5

P	Pitch
s	max
s	min
e	min
d_k	max
d_k	min
k	max
c	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
3	4	5	5.5	7	7	8	10	13
2.84	3.84	4.82	5.32	6.78	6.78	7.78	9.78	12.72
3.16	4.27	5.36	5.92	7.55	7.55	8.66	10.89	14.16
4.5	6.4	7.5	8.5	10	11.2	12.8	16.8	21
4.1	5.9	6.9	7.8	9.3	10.3	11.8	15.5	19.3
2.2	3.2	3.8	4.3	5.2	6	6.7	8.6	10.7
0.3	0.4	0.5	0.6	0.6	0.8	1	1.2	1.4
0.1	0.1	0.1	0.2	0.2	0.2	0.3	0.4	0.4
13	17	21	25	29	33	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

Screw Thread
d

M2.5

M3.5

M10

P	Pitch
s	max
s	min
e	min
d_k	max
d_k	min
k	max
c	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
3	3.2	4	5	5.5	7	8	10	13
2.84	3.04	3.84	4.82	5.32	6.78	7.78	9.78	12.72
3.16	3.39	4.27	5.36	5.92	7.55	8.66	10.89	14.16
4.5	5.4	6.4	7.5	8.5	10.6	12.8	16.8	21
4.1	5	5.9	6.9	7.8	9.8	11.8	15.5	19.3
2.2	2.7	3.2	3.8	4.3	5.4	6.7	8.6	10.7
0.3	0.3	0.4	0.5	0.6	0.7	1	1.2	1.4
0.1	0.1	0.1	0.1	0.2	0.2	0.3	0.4	0.4
12	15	18	21	24	30	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

①,The contour of the edge at the periphery of flange shall be optional provided the minimum flange thickness is maintained at the minimum flange diameter. The top surface of the flange may be straight or slightly rounded (convex) upward.
②,The comparable ISO standard is ISO 10509.

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Similar Standards

1	[IFI] IFI 502 - 1982	Metric Hex Flange Head Tapping Screws
2	[DIN EN ISO] DIN EN ISO 7053 - 2019	Hexagon Washer Head Tapping Screws
3	[ISO] ISO 7053 - 1992	Hexagon washer head tapping screws
4	[ISO] ISO 10509 - 2012	Hexagon Flange Head Tapping Screws
5	[ISO] ISO 7053 - 2019	Hexagon Washer Head Tapping Screws
6	[ASME] ASME B 18.6.3 (T32+T40) - 2013	Plain and Slotted Hex Washer Head Tapping Screws - Type AB and ABR
7	[DIN] DIN 6928 - 1990	Hexagon Washer Head Tapping Screws
8	[ISO] ISO 7053 - 2011	Hexagon washer head tapping screws
9	[ISO] ISO 10509 - 1992	Hexagon flange head tapping screws
10	[ASME] ASME B 18.6.3 (T33-I+T40) - 2013	Cross Recess Indented Hex Washer Head Tapping Screws - Type AB and ABR
11	[ASME/ANSI] ASME/ANSI B 18.6.3 - 2010	Machine Screw and Tapping Screw Nuts (Inch Seires)
12	[DIN] DIN 6928 - 2008	Hexagon Washer Head Tapping Screws
13	[ASME] ASME B 18.6.3 (T33-VI+T40) - 2013	Recess Indented Hex Washer Head Tapping Screws - Type AB and ABR
14	[BS] BS 7599 - 1992	Metric Hexagon Washer Head Tapping Screws
15	[JIS] JIS B 1126 - 1995	Hexagon Head Self-Tapping Screws With Collar
16	[GB] GB /T 16824.2 - 1997	Hexagon head tapping screws with flange
17	[BS] BS 7600 - 1992	Metric Hexagon Flange Head Tapping Screws
18	[GB] GB /T 16824.1 - 2016	Hexagon Washer Head Tapping Screws
19	[GB] GB /T 16824.1 - 1997	Hexagon head tapping screws with collar
20	[JIS] JIS B 1123 - 1996	Hexagon Head Tapping Screws With Collar
21	[GB] GB /T 16824.2 - 2016	Hexagon Flange Head Tapping Screws
22	[JIS] JIS B 1127 - 1995	Hexagon Head Self-Tapping Screws With Flange
23	[AS] AS /NZS 4409 - 1996	ISO metric hexagon head tapping screws with washers
24	[AS] AS /NZS 4410 - 1996	ISO metric hexagon flange head tapping screws
25	[KS] KS B 1064 - 1997	Hexagon Flange Head Tapping Screws