Shop All Lock Nuts
Zoro Select
Nylon Insert Lock Nut, 5/16"-24, Steel, Grade 8, Black Oxide, 11/32 in Ht, 100 PK
Mfr # U12421.031.0002
Zoro # G3121991
product price: $7.19
/pk 100, $0.07/ea
$7.19
Free Shipping on orders over $50
after youÂ
Free 30-Day Returns
Key Features
Grade 8 Material Grade/Class
- Hex Type Standard Hex
- Lock Type Nylon Insert
- Material Steel
- Finish Black Oxide
- Hex Height 11/32 in
Get 10% Off Your First Order
Real Support From Real People
Contact Our U.S.-Based teams
Free 30-Day Returns
Return Policy
Accepted Payment Options
![paypal](https://www.zoro.com/static/assets/img/base/icons/paypal-81447b0e73.png)
Product Information
- Brand Zoro Select
- MFR # U12421.031.0002
- Zoro # G3121991
- Country of Origin Multiple
- Category Lock Nuts
Dimensions
Thread Size | 5/16"-24 |
Hex Height | 11/32 in |
Hex Width | 1/2 in |
Nut Height | 11/32 in |
Width Across Flats | 1/2 in |
Dia./Thread Size | 5/16"-24 |
Dimensional Standards | ASME B18.16.6 |
Description
Lock Nut, Finish Plain, Material Steel, Material Grade/Class Grade 8, Thread Size 5/16 In.-24, Hex Width 1/2 in, Hex Height 11/32 in, Lock Type Nylon Insert, Dimensional Standards ASME B18.16.6, System of Measurement Inch, Hex Type Standard Hex, Thread Direction Right Hand, Pack Size Small Pack, Rockwell Hardness HRC24 - C32, Package Quantity 100
Restrictions
- WARNING: Cancer and Reproductive Harm For more information go to www.P65Warnings.ca.gov
Ratings & Reviews
3 Reasons You Can Count On Us
Supplies for every job.
10 million items and the exact one you need.
When you need it fast, count on Zoro!
2 million products ship in 1 day.
Stretch your budget further.
Everyday low prices on the brands you love.
Explore More Products
- ZORO SELECT Top Lock Distorted Thread Lock Nut, 7/16"-14, Steel, Grade A, Zinc Plated, 15/32 in Ht, 25 PK (U12100.043.0001)
- ZORO SELECT Ultrasonic Insert, #2-56, 7/64 in L, 0.136 in Insert Dia., 0.122 in Tapered End Dia., Brass (4KXZ2)
- ZORO SELECT Machinery Eye Bolt With Shoulder, M12-1.75, 20.5 mm Shank, 30 mm ID, Steel, Plain, 25 PK (M16000.120.0001)
- ZORO SELECT Thumb Screw, 3/8"-16 Thread Size, Wing/Spade, Zinc Plated Iron, 7/8 in Head Ht, 3/4 in Lg, 25 PK (1-EFJ-07-17-)
- ZORO SELECT Nylon Insert Lock Nut, 1-1/4"-12, Steel, Grade 8, Black Oxide, 1 27/64 in Ht, 5 PK (U12421.125.0002)
- ZORO SELECT Nylon Insert Lock Nut, 7/16"-20, Steel, Grade 8, Black Oxide, 3/4 in Ht, 25 PK (U12421.043.0002)
- ZORO SELECT Nylon Insert Lock Nut, 3/4"-16, Steel, Grade 8, Black Oxide, 10 PK (U12421.075.0002)
- ZORO SELECT Nylon Insert Lock Nut, 1/4"-20, 18-8 Stainless Steel, Not Graded, Plain, 1/4 in Ht, 2400 PK (B51738.025.0001)
- ZORO SELECT Center-Lock Distorted Thread Reversible Lock Nut, 5/16"-24, Steel, Grade A, Zinc Plated, 100 PK (CLNFI20310-100P)
- ZORO SELECT Nylon Insert Lock Nut, M18-2.50, A2 Stainless Steel, Not Graded, Plain, 18 1/2 mm Ht, 10 PK (M51730.180.0001)
- PRIME-LINE Nylon Insert Lock Nut, 3/8"-16, 18-8 Stainless Steel, Not Graded, Plain, 50 PK (9075391)
- Zoro Select Lock Nuts