ASME B 18.3 - 2003 (R2008) Hexagon Socket Flat Countersunk Head Cap Screws

Unit:

Thread Size
d

d	Nominal Diameter
PP	UNC
	UNF
	UNEF
d_s	max
d_s	min
d_k	Theo.Sharp Max
d_k	Abs. Min
k	Ref
s	Nominal Size
s	Nominal Size
t	min
b	min
α	±2°

0.060	0.073	0.086
-	64.0	56.0
80.0	72.0	64.0
-	-	-
0.060	0.073	0.086
0.0568	0.0695	0.0822
0.138	0.168	0.197
0.117	0.143	0.168
0.044	0.054	0.064
-	-	-
0.035	0.050	0.050
0.025	0.031	0.038
0.50	0.62	0.62
82°	82°	82°

Thread Length
b

GB /T 70.3 - 2023

Hexagon Socket Countersunk Head Screws with Reduced Loadability
Suppliers(1)

GB /T 70.3 - 2008

Hexagon Socket Countersunk Head Screws
Suppliers(1)

GB /T 70.3 - 2000

Hexagon Socket Countersunk Head Screws
Suppliers(1)

IFI 535 - 1982

Metric Socket Countersunk Head Cap Screws

DIN 7991 - 1986

Hexagon Socket Countersunk Head Cap Screws
Suppliers(6)

ISO 10642 - 2019

Hexagon Socket Countersunk Head Screws With Reduced Loadability
Suppliers(2)

ISO 10642 - 2004

Hexagon Socket Countersunk Head Screws
Suppliers(2)

ISO 10642 - 1997

Hexagon socket countersunk head screws
Suppliers(2)

JIS B 1194 - 2006

Hexagon Socket Countersunk Head Screws

Q 250

Hexagon socket countersunk head screws

ASME/ANSI B 18.3 - 2003

Spline socket flat countersunk head cap screws

ASME/ANSI B 18.3.5M - 1993

Metric hexagon socket countersunk head screws

ASME/ANSI B 18.3.5M - 1986

Metric hexagon socket countersunk head screws

ASME/ANSI B 18.3.5M - 1986 (R2008)

Metric Hexagon Socket Countersunk Head Cap Screws (ASTM F835M / F879M / A1-70)

UNI 5933 - 1988

Hexagon Socket Countersunk Head Screws - ISO Metric Coarse Pitch Thread - Product Grade A

NF E 25-146 - 2004

Hexagon Socket Countersunk Head Screws

BS 4168-8 - 1982

Metric Hexagon Socket Countersunk Head Screws

BS 2470 - 1973

Hexagon Socket Countersunk Head Screws - Unified Thread

CNS 4558 - 1981

Hexagon Socket Countersunk Head Screws

DIN EN ISO 10642 - 2020

Hexagon Socket Countersunk Head Screws
Suppliers(6)

DIN EN ISO 10642 - 2013

Hexagon socket countersunk head screws
Suppliers(6)

DIN EN ISO 10642 - 2004

Hexagon Socket Countersunk Head Screws
Suppliers(6)

IS 6761 - 1994 (R2004)

Countersunk Head Screws With Hexagon Socket

ASME B 18.3 - 2012

Hexagon Socket Flat Countersunk Head Cap Screws [Table 8] (ASTM F835 / F879)