Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
![5747B33K5-BLK Spline Lug Bolt Install Kit, Black 12 mm x 1.25, 33 mm Length [20 Lug Bolts, 1 Key]](https://www.jegs.com/images/mini_750/jegs_default.png)
Vehicle Info Needed5747B33K5-BLK Spline Lug Bolt Install Kit, Black 12 mm x 1.25, 33 mm Length [20 Lug Bolts, 1 Key]
Ships on 09/16/2026
Lowest Price Guarantee- (20) Black 12 mm x 1.25 Lug Bolts (33 mm Length)
- (1) Spline Key
Mr. Lugnut Spline Lug Bolt Install Kits are engineered for secure wheel fastening and precise seat alignment. Each kit includes high-strength open-end spline lug bolts with a conical seat design for accurate centering and consistent clamping force. A precision-machined spline key provides a slip-resistant fit for installation and removal. Designed to resist corrosion and daily driving wear, these kits deliver long-term durability and a clean, professional appearance for both factory wheel replacement and aftermarket upgrades.
Lasting Beauty for Vehicles Using Lug Bolts
The Mr. Lugnut Spline Lug Bolts deliver precise wheel fastening and long-term reliability for vehicles equipped with conical seat wheels. Constructed from high-strength steel and engineered for uniform thread engagement, these bolts ensure balanced clamping force and secure wheel retention under performance or daily driving conditions. Their chrome-plated finish resists corrosion and maintains a clean appearance, while compatibility with the Spline Key [TK640] provides a tamper-resistant fit and professional installation quality trusted by automotive technicians and enthusiasts alike.
