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Thread Size
Hardness
Thread Fit
Tensile Strength
Thread Spacing
Drive Size
Head Height
Thread Direction
Head Diameter
Drive Style
Threading
Socket Head Profile
Material
Length
System of Measurement
Left-Hand Threaded Alloy Steel Socket Head Screws
55 Products
Left-Hand Threaded Alloy Steel Socket Head Screws
Tighten these screws by turning them to the left; once fastened, they prevent counterclockwise-moving parts from loosening.
Part Number
Thread
Size
Size
Threading
Length
Thread
Type
Type
Head
Diameter
Diameter
Drive Size
Tensile
Strength
Strength
Material
Specifications
Met
Met
Price
JBGHAABEG
6-32
Fully Threaded
3/8"
UNC
0.226"
7/64"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 6.78
JBGHAABEI
6-32
Fully Threaded
1/2"
UNC
0.226"
7/64"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 7.58
JBGHAABJE
8-32
Fully Threaded
1/2"
UNC
0.27"
9/64"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 4.30
JBGHAABJJ
8-32
Fully Threaded
1"
UNC
0.27"
9/64"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 5.22
JBGHAADBA
10-32
Fully Threaded
1/2"
UNF
5/16"
5/32"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 4.17
JBGHAADBD
10-32
Fully Threaded
3/4"
UNF
5/16"
5/32"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 4.69
JBGHAADBG
10-32
Fully Threaded
1"
UNF
5/16"
5/32"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 5.92
JBGHAADBJ
10-32
Fully Threaded
1 1/2"
UNF
5/16"
5/32"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 7.00
JBGHAAFDH
1/4"-20
Fully Threaded
1/2"
UNC
3/8"
3/16"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 4.19
JBGHAAFDJ
1/4"-20
Fully Threaded
5/8"
UNC
3/8"
3/16"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 4.64
JBGHAAFEA
1/4"-20
Fully Threaded
3/4"
UNC
3/8"
3/16"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 4.89
JBGHAAFEC
1/4"-20
Fully Threaded
1"
UNC
3/8"
3/16"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 5.70
JBGHAAFEE
1/4"-20
Fully Threaded
1 1/4"
UNC
3/8"
3/16"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 5.81
JBGHAAFEG
1/4"-20
Fully Threaded
1 1/2"
UNC
3/8"
3/16"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 6.50
JBGHAAFIB
5/16"-18
Fully Threaded
3/4"
UNC
15/32"
1/4"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 5.81
JBGHAAFID
5/16"-18
Fully Threaded
1"
UNC
15/32"
1/4"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 6.00
JBGHAAFIF
5/16"-18
Fully Threaded
1 1/4"
UNC
15/32"
1/4"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 6.17
JBGHAAFIH
5/16"-18
Fully Threaded
1 1/2"
UNC
15/32"
1/4"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 7.00
JBGHAAFIJ
5/16"-18
Fully Threaded
2"
UNC
15/32"
1/4"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 8.00
JBGHAAGCC
3/8"-16
Fully Threaded
3/4"
UNC
9/16"
5/16"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 7.17
JBGHAAGCE
3/8"-16
Fully Threaded
1"
UNC
9/16"
5/16"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 8.19
JBGHAAGCG
3/8"-16
Fully Threaded
1 1/4"
UNC
9/16"
5/16"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 8.40
JBGHAAHBD
1/2"-13
Fully Threaded
1"
UNC
3/4"
3/8"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 7.60
JBGHAAHBG
1/2"-13
Fully Threaded
1 1/2"
UNC
3/4"
3/8"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 9.40
JBGHAAHCA
1/2"-13
Fully Threaded
2"
UNC
3/4"
3/8"
170,000 psi
Black-Oxide Alloy Steel
ASTM A574
$ 9.80
JAGAFAAAC
M4
Fully Threaded
6 mm
Metric
7 mm
3 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 8.30
JAGAFAAAD
M4
Fully Threaded
8 mm
Metric
7 mm
3 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 9.09
JAGAFAAAE
M4
Fully Threaded
10 mm
Metric
7 mm
3 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 8.16
JAGAFAAAF
M4
Fully Threaded
12 mm
Metric
7 mm
3 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 9.28
JAGAFAAAH
M4
Fully Threaded
16 mm
Metric
7 mm
3 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 9.00
JAGAFAAAJ
M4
Fully Threaded
20 mm
Metric
7 mm
3 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 9.43
JAGAFABCF
M5
Fully Threaded
12 mm
Metric
8.5 mm
4 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 6.66
JAGAFABCH
M5
Fully Threaded
16 mm
Metric
8.5 mm
4 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 7.22
JAGAFABCJ
M5
Fully Threaded
20 mm
Metric
8.5 mm
4 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 7.30
JAGAFABDB
M5
Partially Threaded
25 mm
Metric
8.5 mm
4 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 5.91
JAGAFABGD
M6
Fully Threaded
12 mm
Metric
10 mm
5 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 7.22
JAGAFABGE
M6
Fully Threaded
16 mm
Metric
10 mm
5 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 6.66
JAGAFABGF
M6
Fully Threaded
20 mm
Metric
10 mm
5 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 6.74
JAGAFABGH
M6
Partially Threaded
25 mm
Metric
10 mm
5 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 7.34
JAGAFABGJ
M6
Partially Threaded
30 mm
Metric
10 mm
5 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 5.62
JAGAFACFB
M8
Fully Threaded
16 mm
Metric
13 mm
6 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 7.22
JAGAFACFC
M8
Fully Threaded
20 mm
Metric
13 mm
6 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 6.74
JAGAFACFE
M8
Fully Threaded
25 mm
Metric
13 mm
6 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 7.56
JAGAFACFG
M8
Partially Threaded
30 mm
Metric
13 mm
6 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 7.64
JAGAFACFH
M8
Partially Threaded
35 mm
Metric
13 mm
6 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 6.94
JAGAFACFI
M8
Partially Threaded
40 mm
Metric
13 mm
6 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 7.86
JAGAFADAC
M10
Fully Threaded
20 mm
Metric
16 mm
8 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 6.89
JAGAFADAD
M10
Fully Threaded
25 mm
Metric
16 mm
8 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 7.78
JAGAFADAF
M10
Fully Threaded
30 mm
Metric
16 mm
8 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 7.86
JAGAFADAH
M10
Partially Threaded
35 mm
Metric
16 mm
8 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 7.89
JAGAFADAJ
M10
Partially Threaded
40 mm
Metric
16 mm
8 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 6.66
JAGAFADDG
M12
Fully Threaded
25 mm
Metric
18 mm
10 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 8.12
JAGAFADDI
M12
Fully Threaded
30 mm
Metric
18 mm
10 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 8.21
JAGAFADEB
M12
Partially Threaded
40 mm
Metric
18 mm
10 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 8.30
JAGAFADEC
M12
Partially Threaded
50 mm
Metric
18 mm
10 mm
170,000 psi
Black-Oxide Alloy Steel
DIN 912, ISO 4762
$ 9.57