ASME B 18.6.5M (T11) - 2000 (R2010) Metric Type Ill Square-Recessed Flat Countersunk Head Tapping Screws [Table 11]

Unit: 毫米(mm)

For Nominal Thread Diameter

ST2.9

ST3.5

ST4.2

P	Pitch
d_s	max
d_s	min
d_k	max
d_k	min
k	max
L₁	max
L₁	min
r	max
r	min
s	Ref.
T	Ref.
b ^③	min
Socket No. ^②
t	max
t	min
Type of Thread and Point ^①

1	1.3	1.4
-	-	-
-	-	-
5.5	7.3	8.4
5.2	6.9	8
1.7	2.3	2.6
-	-	-
-	-	-
1.2	1.4	1.6
0.6	0.7	0.8
1.78	2.31	2.84
1.68	2.44	2.92
17	21	25
0	1S	2S
0.97	1.4	1.61
0.71	1.01	1.21
AB,B,BF,BT	AB,B,BF,BT	AB,B,BF,BT

①,Recessed head Types D, F, and T tapping screws shall have Style B head form. Recessed head Types AB, B, BF, and BT tapping screws shall have Style A head form. The underhead shoulder is mandatory on Style B head form, and all other head dimensions shall be common for both the Style A and Style B head forms.
②,S = short; R = regular
③,Suitable for long screws, while short screws are fully threaded

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 18.6.3 (H6B-III+T1A) - 2024

Cross Recessed Raised Cheese Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (T22-III+T40) - 2013

Square Recessed Raised Cheese Head Tapping Screws - Type AB and ABR

ASME B 18.6.5M (T11) - 2000

Metric Square Recessed Flat Countersunk Tapping Screws [Table 11]
Suppliers(2)

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)

ASME B 18.6.3 (H3D-III+T1A) - 2024

Square Recessed Undercut Oval Countersunk Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (H5C-III+T1A) - 2024

Square Recessed Pan Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (H7B-III+T1A) - 2024

Square Recessed Mushroom Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (H11B-III+T1A) - 2024

Square Recessed Round Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (T2-III+T40) - 2013

82° Square Recessed Countersunk Head Tapping Screws - Type AB (ABR)

ASME B 18.6.3 (T10-III+T40) - 2013

Undercut 82-deg Square Recessed Countersunk Head Tapping Screws - Type AB (ABR)

ASME B 18.6.3 (T8-III+T40) - 2013

Square Recessed Raised Countersunk Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (T12-III+T40) - 2013

Square Recessed Undercut Oval Countersunk Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (T19-III+T40) - 2013

Square Recessed Pan Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (T25-III+T40) - 2013

Square Recessed Mushroom Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (T36-III+T40) - 2013

Square Recessed Round Head Tapping Screws - Type AB and ABR

ASME B 18.6.5M (T19) - 2000

Metric Square Slot Pan Head Tapping Screws [Table 19]

ASME B 18.6.5M (T15) - 2000 (R2010)

Metric Type III Square-Recessed Oval Countersunk Head Tapping Screws

ASME B 18.6.5M (T19) - 2000 (R2010)

Metric Type Ill Square-Recessed Pan Head Tapping Screws [Table 19]

YY 0018 (T1) - 2016

Screw with Shallow Thread (HA) [Table 1]

YY 0018 (T4) - 2016

Screw with Deep Thread (HB) [Table 4]

Yuyao Hutson Metal Product Co., Ltd.
Contact:	Ma Huazhen/Xu Tianyang
Cellphone：	+86-13095941973
email：	62828345@163.com
Material: stainless steel, A2-70, A2-80, A4-70, A4-80, A2(302, 303, 304), A4(316), 410, 430; Complete specifications

Jiangsu BofanKe Precision Metal Technology Co., Ltd.
Contact:	Director Tang
Cellphone：	+86-15298892886 15262400870
email：	syjgjsz@163.com
Material: stainless steel, carbon steel; Nominal diameter: M1-M14; Nominal length: 5-400mm