Home Fasteners Socket Screws Flat Head Socket Cap Screws Flat Head Socket Cap Screw Steel 1/2-20 x 1-1/2"
Fasteners
DV_ZoomOriginal_P_30596.jpg
DV_ZoomOriginal_P_30596_TP1.jpg
DV_ZoomOriginal_P_30596.jpg
DV_ZoomOriginal_P_30596_TP1.jpg

Flat Head Socket Cap Screw, Alloy Steel, Black Oxide Finish, Fine Thread, 5/16" Hex Key, 1/2-20 x 1-1/2"
(Pack of 10)

Item#: P40559

Lawson Products

• Precision rolled threads
• 180,000 PSI minimum tensile strength
• Meets or exceeds ANSI/ASME B18.3 specifications

Read More
Check Availability
Usually Ships: Today
While Supplies Last

Catalog page#: 4-8

Frequently Bought Together

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_33828.jpg

Flat Head Socket Cap Screw SS M6-1 x 20mm

Item#: 27461
DV_ZoomOriginal_P_41506.jpg

Flat Head Socket Cap Screw Steel 3/8-16 x 1"

Item#: 3634
DV_ZoomOriginal_P_41506.jpg

Flat Head Socket Cap Screw Steel 1/4-20 x 1/2"

Item#: 3620
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_I_92823_WB.jpg

Butt Connector 16 to 14 AWG Blue

Item#: 92823
DV_ZoomOriginal_P_30708_WB.jpg

Socket Head Cap Screw Grade 12.9 M6-1 x 16mm

Item#: 80504
DV_ZoomOriginal_P_30708_WB.jpg

Socket Head Cap Screw Grade 12.9 M5-0.8 x 12mm

Item#: 80498
DV_ZoomOriginal_P_30592.jpg

Socket Head Cap Screw Alloy Steel 3/8-16 x 1"

Item#: 64168
DV_ZoomOriginal_P_HT5344.jpg

Universal Socket Set, SAE, 3/8" Drive, 8pc

Item#: DY89320200
DV_ZoomOriginal_P_HT5400.jpg

Met 24mm, Cross-Torque Wrench

Item#: DY89310296
DV_ZoomOriginal_I_DY89320212.jpg

Universal Socket Set, SAE, 1/2" Drive, 6pc

Item#: DY89320212
DV_ZoomOriginal_P_HT5344.jpg

Universal Socket Set, SAE, 3/8" Drive, 8pc

Item#: DY89320200
DV_ZoomOriginal_P_HT5400.jpg

Met 24mm, Cross-Torque Wrench

Item#: DY89310296
DV_ZoomOriginal_I_DY89320212.jpg

Universal Socket Set, SAE, 1/2" Drive, 6pc

Item#: DY89320212

Product Description

• Precision rolled threads
• 180,000 PSI minimum tensile strength
• Meets or exceeds ANSI/ASME B18.3 specifications

Technical Specifications

Item#: P40559
Diameter 1/2 "
Thread Pitch 20
Length 1-1/2 "
Head Style Flat
Finish Black Oxide
Material Alloy Steel
Thread Fine
Drive Hex
Type Flat Head Socket Cap Screw
Key Size 5/16 "
Tensile Strength 150,000 PSI
Size 1/2-20X1-1/2
UNSPSC #: 31161518
TAA Compliant: Yes
Weight: 0.82 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