Home Fasteners Socket Screws Set Screws Set Screw Square Head 5/16-18 x 1-1/4"
Fasteners
DV_ZoomOriginal_P_30602.jpg
DV_ZoomOriginal_P_30602_TP1.jpg
DV_ZoomOriginal_P_30602.jpg
DV_ZoomOriginal_P_30602_TP1.jpg

Set Screw, Square Head, Cup Point, Alloy Steel, Black Oxide Finish, Coarse Thread, 5/16-18 x 1-1/4"
(Pack of 25)

Item#: 3912

Lawson Products

• UNC threads
• Cold-working quality carbon steel
• Cup point
• Case-hardened to Rc 53 minimum

Read More
Check Availability
Usually Ships: Today
While Supplies Last

Frequently Bought Together

DV_ZoomOriginal_P_41097_WB.jpg

Hex Cap Screw Grade 8 Alloy Steel 3/8-16 x 1-1/2"

Item#: 634
DV_ZoomOriginal_I_FA88435.jpg

SAE Flat Washer Thru-Hardened Steel 1/4"

Item#: FA88435
DV_ZoomOriginal_P_32673.jpg

Hex Nut Grade 5 Steel 5/16-18

Item#: FA95678
DV_ZoomOriginal_P_527.jpg

Set Screw Cup Point Steel M12-1.75 x 14mm

Item#: 80578
DV_ZoomOriginal_P_1241.jpg

Set Screw Cup Point 18-8 SS #10-24 x 3/8"

Item#: 82611
DV_ZoomOriginal_P_33830.jpg

Set Screw Cup Point A2 SS M5-0.8 x 6mm

Item#: 27717
DV_ZoomOriginal_I_1495189.jpg

Stepdown Butt Connector 16 to 14/12 to 10 AWG

Item#: 1495189
DV_ZoomOriginal_P_506_WB.jpg

Self-Drilling Screw Hex Head #10-16 x 3/4"

Item#: 84931
DV_ZoomOriginal_P_31311.jpg

Hex Nut Grade 8 Alloy Steel 1/2-13

Item#: A104
DV_ZoomOriginal_P_30592.jpg

Socket Head Cap Screw Alloy Steel 3/8-16 x 2"

Item#: 64172
DV_ZoomOriginal_P_30708_WB.jpg

Socket Head Cap Screw Alloy Steel M8-1.25 x 50mm

Item#: 80515
DV_ZoomOriginal_I_3552.jpg

Socket Head Cap Screw Alloy Steel 1/2-13 x 1-1/2"

Item#: 3552

Product Description

• UNC threads
• Cold-working quality carbon steel
• Cup point
• Case-hardened to Rc 53 minimum

Technical Specifications

Item#: 3912
Diameter 5/16 "
Thread Pitch 18
Length 1-1/4 "
Point Cup
Type Square Head Set Screw
Finish Black Oxide
Material Alloy Steel
Tensile Strength 180,000 PSI
Thread Coarse
Head Style Square
Size 5/16X1-1/4
UNSPSC #: 31161505
TAA Compliant: Yes
Weight: 0.64 lb

Suggested Products

DV_ZoomOriginal_P_31307.jpg

USS Flat Washer Thru-Hardened Steel 1/4"

Item#: 88445
DV_ZoomOriginal_P_31307.jpg

USS Flat Washer Thru-Hardened Steel 3/8"

Item#: 88447
DV_ZoomOriginal_P_31307.jpg

USS Flat Washer Thru-Hardened Steel 5/16"

Item#: 88446
DV_ZoomOriginal_P_33479.jpg

SAE J995C Locknut with Nylon Insert Grade 8 1/4-20

Item#: 53979
DV_ZoomOriginal_P_33479.jpg

SAE J995C Locknut with Nylon Insert Grade 8 3/8-16

Item#: 53981
DV_ZoomOriginal_I_88437.jpg

SAE Flat Washer Thru-Hardened Steel 3/8"

Item#: 88437
DV_ZoomOriginal_I_FA88445.jpg

USS Flat Washer Thru-Hardened Steel 1/4"

Item#: FA88445
DV_ZoomOriginal_P_1999.jpg

Flat Washer Grade 12 Thru-Hardened Steel M8

Item#: 87510
DV_ZoomOriginal_P_31312.jpg

IFI 100/107 Top Locknut Grade C 5/8-11

Item#: 80933
DV_ZoomOriginal_I_88435.jpg

SAE Flat Washer Thru-Hardened Steel 1/4"

Item#: 88435
DV_ZoomOriginal_P_33479.jpg

SAE J995C Locknut with Nylon Insert Grade 8 1/2-13

Item#: 53983
DV_ZoomOriginal_P_33479.jpg

Locknut with Nylon Insert Grade 8 5/16-18

Item#: 53980

Your Recently Viewed Items