ASME B 18.6.3 (T18-I/T19-IA+T40) - 2013 Type I Cross Recessed Pan Head Tapping Screws - Type AB and ABR

Unit:

Thread Size
d

d	Nominal Size
PP
d_k	max
	min
k	max
	min
R	min
Socket No.	Driver Size
M₁	Ref.
M₂	Ref.
P	Recess Penetration Gaging Depth, Type I	max
		min
	Recess Penetration Gaging Depth, Type IA	max
		max
L₀ ^④	Nominal
Y ^④	Fully Threaded	max
b ^④	Thread Length (Long screws)	min

0.0600	0.0730	0.0860
48	42	32
0.116	0.142	0.167
0.104	0.130	0.155
0.044	0.053	0.062
0.036	0.044	0.053
0.005	0.005	0.010
0	0	1
0.060	0.067	0.097
0.060	0.067	0.097
0.032	0.040	0.052
0.014	0.022	0.034
0.033	0.040	0.053
0.017	0.024	0.037
7/16	9/16	5/8
0.021	0.024	0.031
0.360	0.440	0.520

①,Where specifying nominal size in decimals, zeros preceding the decimal and in the fourth decimal place shall be omitted.
②,No extrusion of excess metal beyond the apex of the point resulting from thread rolling shall be permissible . A slight rounding or truncation of the point is desirable.
③,The width of flat at crest of thread shall not exceed 0.004 in. for sizes up to and including No. 8, and 0.006 in. for larger sizes.
④,For screws of norminal lengths equal to or shorter than the nominal screw lengths, L0, listed in Table, the full-form threads shall extend close to the head such that the minor diamter limits of the specified thread are maintained to within Y daistance from the underside of the head, or closer if practicable. Screws of nominal lengths, L0, longer than those tabulated in table shall have a minimum length of full-form thread as shown in the "b Min" column of table, unless otherwise specified by the purchaser.

GB /T 845 - 2017

Cross Recessed Pan Head Tapping Screws
Suppliers(3)

GB /T 845 - 1985

Cross Recessed Pan Head Tapping Screws
Suppliers(3)

GB 845 - 1976

Cross recessed pan head self-tapping screws
Suppliers(3)

DIN 968 - 2008

Cross Recessed Pan Head Tapping Screws With Collar

DIN 968 - 2002

Cross Recessed Pan Head Tapping Screws With Collar

DIN 968 - 1994

Cross Recessed Pan Head Tapping Screws With Collar

DIN 7981 - 1990

Cross Recessed Pan Head Tapping Screws
Suppliers(2)

ISO 7049 - 2011

Cross Recessed Pan Head Tapping Screws
Suppliers(2)

ISO 7049 - 1983

Cross Recessed Pan Head Tapping Screws
Suppliers(2)

JIS B 1122 (AAT4) - 1996

Cross Recessed Truss Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 4]

JIS B 1122 (AAT5) - 1996

Cross Recessed Cheese Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 5]

JIS B 1122 (AT1) - 1996

Cross Recessed Pan Head Tapping Screws [Table 1]

JIS B 1122 (AAT1) - 1996

Cross Recessed Pan Head Tapping Screws - threaded portion are of class 1 to 4 [Annex Attached Table 1]

JIS B 1122 (AAT6) - 1996

Cross Recessed Brazier Head Tapping Screws - threaded portion are of class 1 to 4 [Annex attached table 6]

Q 271

Cross recessed pan head tapping screws - Type C

Q 272

Cross recessed round head tapping screws - Type F

Q 273

Cross recessed round head tapping screws

ASME/ANSI B 18.6.3 - 2010

Machine Screw and Tapping Screw Nuts (Inch Seires)

ASME/ANSI B 18.6.3 - 2010

Machine Screw and Tapping Screw Nuts (Inch Seires)

UNI 10227 - 1993

Recessed raised cheese (fillister) thread forming screws for plastic materials (Metric series）

UNI 6954

Cross Recessed Pan Head Tapping Screws

NF E 25-658 - 1994

Cross Recessed Pan Head Tapping Screws

BS 4174 - 1972

Corss Recessed Flange Head Self-Tapping Screws [Table 19]

BS 4174 - 1972

Cross Recess Pan Head Self-Tapping Screws [Table 17]

AS /NZS 4406 - 1996

ISO metric cross recessed pan head tapping screws

SJ 2821 - 1987

Cross recessed pan head self-tapping screws

SJ 2823 - 1987

SJ 2500 - 1984

SJ 2501 - 1984

Cross recessed pan head tapping screws with collar

SJ 2502 - 1984

SJ 2504 - 1984

Cross recessed oblate head tapping screws with common screw-thread

SJ 2824 - 1984

CNS 4305 - 2000

Cross Recessed Pan Head Tapping Screws

KS B 1032 - 2016 (R2021)

Cross Recessed Pan Head Tapping Screws

KS B 1032 - 2001

Cross Recessed Pan Head Tapping Screws

YJT 4024 (WN 5411)

Round Washer Head with Type H or Type Z Cross Recess Self-tapping Screw [DELTA PT Thread]

YJT 4054 (WN1411C-1)

Cross Recessed Pan Head Tapping Screws With Collar [PT-K Thread]

YJT 4055 (WN1411C-2)

Cross Recessed Pan Head Tapping Screws With Collar [PT-K Thread]

YJT 4056 (WN1412C-1)

Cross recessed pan head Tapping screws [PT-K Thread]

YJT 4057 (WN1412C-2)

Cross recessed pan head Tapping screws [PT-K Thread]

DIN EN ISO 7049 - 2011

Cross-recessed Pan Head Tapping Screws
Suppliers(2)

QC /T 602 - 1999

Cross Recessed Mushroom Head Tapping Screws

ASME B 18.6.3 (H5B-I/H5C-IA+T1A) - 2024

Type I Cross Recessed Pan Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (T22-I/T22-IA+T40) - 2013

Cross recessed raised cheese head tapping screws - Type AB and ABR

ASME B 18.6.3 (T25-I/T25-IA+T40) - 2013

Cross Recessed Mushroom Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (T36-I/T36-IA+T40) - 2013

Cross Recessed Round Head Tapping Screws - Type AB and ABR

ASME B 18.6.3 (T39-I+T40) - 2013

Cross recessed round head Tapping Screws With Collar - Type AB and ABR

ASME B 18.6.5M (T18) - 2000 (R2010)

Metric Type IA Cross-Recessed Pan Head Tapping Screws [Table 18]

ASME B 18.6.5M (T17) - 2000 (R2010)

Metric cross recessed pan head tapping screws [Table 17]

ASME B 18.6.4 - 1998

Type I Cross Recessed Pan Head Tapping Screws - Type B and BP Thread Forming [Table 32]

ASME B 18.6.4 - 1998

Type I Cross Recessed Pan Head Tapping Screws - Type C Thread Forming [Table 32]

ASME B 18.6.4 - 1998

Type I Cross Recessed Pan Head Tapping Screws - Type AB Thread Forming [Table 32]

ASME B 18.6.4 - 1998

Type I Cross Recessed Pan Head Tapping Screws - Type A Thread Forming [Table 32]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Pan Head Tapping Screws - Type B and BP Thread Forming [Table 33]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Pan Head Tapping Screws - Type C Thread Forming [Table 33]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Pan Head Tapping Screws - Type AB Thread Forming [Table 33]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Pan Head Tapping Screws - Type A Thread Forming [Table 33]

ASME B 18.6.4 - 1998

Type II Cross Recessed Pan Head Tapping Screws - Type B and BP Thread Forming [Table 34]

ASME B 18.6.4 - 1998

Type II Cross Recessed Pan Head Tapping Screws - Type C Thread Forming [Table 34]

ASME B 18.6.4 - 1998

Type II Cross Recessed Pan Head Tapping Screws - Type AB Thread Forming [Table 34]

ASME B 18.6.4 - 1998

Type II Cross Recessed Pan Head Tapping Screws - Type A Thread Forming [Table 34]

ASME B 18.6.4 - 1998

Type I Cross Recessed Fillister Head Tapping Screws - Type B and BP Thread Forming [Table 36]

ASME B 18.6.4 - 1998

Type I Cross Recessed Fillister Head Tapping Screws - Type C Thread Forming [Table 36]

ASME B 18.6.4 - 1998

Type I Cross Recessed Fillister Head Tapping Screws - Type AB Thread Forming [Table 36]

ASME B 18.6.4 - 1998

Type I Cross Recessed Fillister Head Tapping Screws - Type A Thread Forming [Table 36]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Fillister Head Tapping Screws - Type B and BP Thread Forming [Table 37]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Fillister Head Tapping Screws - Type C Thread Forming [Table 37]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Fillister Head Tapping Screws - Type AB Thread Forming [Table 37]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Fillister Head Tapping Screws - Type A Thread Forming [Table 37]

ASME B 18.6.4 - 1998

Type II Cross Recessed Fillister Head Tapping Screws - Type B and BP Thread Forming [Table 38]

ASME B 18.6.4 - 1998

Type II Cross Recessed Fillister Head Tapping Screws - Type C Thread Forming [Table 38]

ASME B 18.6.4 - 1998

Type II Cross Recessed Fillister Head Tapping Screws - Type AB Thread Forming [Table 38]

ASME B 18.6.4 - 1998

Type II Cross Recessed Fillister Head Tapping Screws - Type A Thread Forming [Table 38]

ASME B 18.6.4 - 1998

Type I Cross Recessed Truss Head Tapping Screws - Type B and BP Thread Forming [Table F2]

ASME B 18.6.4 - 1998

Type I Cross Recessed Truss Head Tapping Screws - Type C Thread Forming [Table F2]

ASME B 18.6.4 - 1998

Type I Cross Recessed Truss Head Tapping Screws - Type AB Thread Forming [Table F2]

ASME B 18.6.4 - 1998

Type I Cross Recessed Truss Head Tapping Screws - Type A Thread Forming [Table F2]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Truss Head Tapping Screws - Type B and BP Thread Forming [Table F3]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Truss Head Tapping Screws - Type C Thread Forming [Table F3]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Truss Head Tapping Screws - Type AB Thread Forming [Table F3]

ASME B 18.6.4 - 1998

Type IA Cross Recessed Truss Head Tapping Screws - Type A Thread Forming [Table F3]

ASME B 18.6.4 - 1998

Type II Cross Recessed Truss Head Tapping Screws - Type B and BP Thread Forming [Table F4]

ASME B 18.6.4 - 1998

Type II Cross Recessed Truss Head Tapping Screws - Type C Thread Forming [Table F4]

ASME B 18.6.4 - 1998

Type II Cross Recessed Truss Head Tapping Screws - Type AB Thread Forming [Table F4]

ASME B 18.6.4 - 1998

Type II Cross Recessed Truss Head Tapping Screws - Type A Thread Forming [Table F4]

ASME B 18.6.4 - 1998

Type I Cross Recessed Round Head Tapping Screws - Type B and BP Thread Forming [Table G2]

ASME B 18.6.4 - 1998

Type I Cross Recessed Round Head Tapping Screws - Type C Thread Forming [Table G2]

ASME B 18.6.4 - 1998

Type I Cross Recessed Round Head Tapping Screws - Type A Thread Forming [Table G2]

ASME B 18.6.4 - 1998

Type II Cross Recessed Round Head Tapping Screws - Type B and BP Thread Forming [Table G3]

ASME B 18.6.4 - 1998

Type II Cross Recessed Round Head Tapping Screws - Type C Thread Forming [Table G3]

ASME B 18.6.4 - 1998

Type II Cross Recessed Round Head Tapping Screws - Type A Thread Forming [Table G3]

T/SZJGJ 001 (B) - 2024

Cross Recessed Mushroom Head Tapping Screws

T/SZJGJ 001 (D) - 2024

Cross Recessed Pan Head Tapping Screws