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SOCKET HEAD CAP SCREWS

Home Products Alloy Steel SOCKET HEAD CAP SCREWS
SOCKET HEAD CAP SCREWS
FULLY THREADS MM. INCH
SOCKET HEAD CAP SCREWS
PARTIALLY THREADS MM. INCH
SOCKET SET SCREWS (CUP POINT)
FULLY THREADS MM. INCH
SOCKET COUNTERSUNK HEAD SCREWS
FULLY THREADS MM.
SOCKET HEAD CAP SCREWS
FULLY THREADS MM.
SOCKET SET SCREWS (CUP POINT)
FULLY THREADS MM. INCH
STUD BARS
THREADS MM. INCH

SOCKET HEAD CAP SCREWS

(Inch / PARTIALLY THREADS)
 
 
Specification  : ANSI / ASME  B18.3 & BS2470
Property  Class : 12.9
Thread  Series : Coarse  Threads
Thread Types  : UNC, BSW
     
Technical  Data
Material  Type : Alloy  Steel
Material  Grade  : SCM435
Hardness : HRC  38 - 43
Tensile  Strength : min. 177ksi
Yield  Strength : min. 160ksi
Inch / PARTIALLY THREADS
nominal
 size
threads
per inch
A


max.
H


max.
D


max.
d


max.
L

length on
production
B


min.
S


nom.
T


min.
recommended
seating torque

(Ibf.ft)
1/4UNC 20 0.375 0.2500 0.2500 0.2490 1"1/2-4" 1.00 3/16 0.120 13.8
5/16UNC 18 0.469 0.3125 0.3125 0.3113 1"3/4-6" 1.12 1/4 0.151 28.5
3/8UNC 16 0.562 0.3750 0.3750 0.3737 1"3/4-6" 1.25 5/16 0.182 50.6
1/2UNC 13 0.750 0.5000 0.5000 0.4985 2"1/2-6" 1.50 3/8 0.245 123.5
5/8UNC 11 0.938 0.6250 0.6250 0.6234 2"1/2-6" 1.75 1/2 0.307 232.5
3/4UNC 10 1.125 0.7500 0.7500 0.7482 3"-6" 2.00 5/8 0.370 412.5
                     
1/2BSW 12 0.750 0.5000 0.5000 0.4985 2"1/2-6" 1.50 3/8 0.245 123.5


nominal
 size
1/4UNC 5/16UNC 3/8UNC 1/2UNC

threads
per inch
20 18 16 16
A

max.
0.375 0.469 0.562 0.750
H

max.
0.2500 0.3125 0.3750 0.5000
D

max.
0.2500 0.3125 0.3750 0.5000
d

max.
0.2490 0.3113 0.3737 0.4985
L
length on
production
1"1/2-4" 1"3/4-6" 1"3/4-6" 2"1/2-6"
B

min.
1.00 1.12 1.25 1.50
S

nom.
3/16 1/4 5/16 3/8
T

min.
0.120 0.151 0.182 0.245
recommended
seating torque

(Ibf.ft)
13.8 28.5 50.6 123.5


nominal
thread size
5/8UNC 3/4UNC       1/2BSW


pitch
10 10   12
A

min.
0.938 1.125   0.750
H

max.
0.6234 0.7500   0.5000
D

max.
0.6234 0.7500   0.5000
d

max.
0.6234 0.7482   0.4958
L
length on
production
2"1/2-6" 3"-6"   2"1/2-6"
B

min.
1.75 2.00   1.50
S

nom.
1/2 5/8   3/8
T

min.
0.307 0.370   0.245
recommended
seating torque

(Ibf.ft)
232.5 412.5   123.5
Note : L = Special Screw Length can be produced by customers request.