--- product_id: 536476267 title: "45-Piece M8-1.25, M6-1.00, M6.3-1.81 Interior | Exterior | Engine Bay | Body Bolts | OEM Hardware FITS: 1981+ Chevrolet, Buick, Oldsmobile, Pontiac, Cadillac, GMC, GM B,C, D, E, F, G, J, X, Y, Body" brand: "generic" price: "$80.13" currency: USD in_stock: true reviews_count: 4 category: "Generic" url: https://www.desertcart.us/products/536476267-45-piece-m8-1-25-m6-1-00-m6-3 store_origin: US region: United States of America --- # 45-piece OEM-grade bolts Metric threads M8, M6, M6.3 precision fit Black phosphate finish for corrosion resistance 45-Piece M8-1.25, M6-1.00, M6.3-1.81 Interior | Exterior | Engine Bay | Body Bolts | OEM Hardware FITS: 1981+ Chevrolet, Buick, Oldsmobile, Pontiac, Cadillac, GMC, GM B,C, D, E, F, G, J, X, Y, Body **Brand:** generic **Price:** $80.13 **Availability:** ✅ In Stock ## Summary > 🔧 Upgrade your restoration game with factory-grade bolts that mean business! ## Quick Answers - **What is this?** 45-Piece M8-1.25, M6-1.00, M6.3-1.81 Interior | Exterior | Engine Bay | Body Bolts | OEM Hardware FITS: 1981+ Chevrolet, Buick, Oldsmobile, Pontiac, Cadillac, GMC, GM B,C, D, E, F, G, J, X, Y, Body by generic - **How much does it cost?** $80.13 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/536476267-45-piece-m8-1-25-m6-1-00-m6-3) ## Best For - generic enthusiasts ## Why This Product - Trusted generic brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Savings Over 50%:** Get all essential bolts in one kit and save big compared to individual purchases. - • **Precision Metric Threads:** Includes M8-1.25, M6-1.00, and M6.3-1.81 for perfect fit and durability. - • **Comprehensive 45-Piece Kit:** Covers engine bay, body, and exterior bolts for multiple GM models. - • **Factory-Exact OEM Hardware:** Authentic GM bolts used on assembly lines, not generic substitutes. - • **Corrosion-Resistant Black Phosphate Finish:** Ensures long-lasting protection and sleek appearance. ## Overview This 45-piece OEM replacement bolt kit features authentic GM hardware with precise metric threading (M8, M6, M6.3) and a durable black phosphate finish. Designed for 1981+ GM vehicles, it offers a comprehensive, cost-effective solution for engine bay, body, and exterior repairs, delivering factory-level quality and corrosion resistance in one bulk package. ## Description New factory oem replacement 45-piece BULK engine bay and body bolt kit. This kit will save you over 50% versus purchasing individual kits. These are the EXACT bolts GM used on the assembly line, not generic hardware store hardware. Review: Yep - Good parts great price Review: They came in handy - What I wondered for the suburban ## Features - QUANTITY: 10 (GM Part# 11505022) THREAD: M6.3-1.81 (Metric) | LENGTH: 20 mm | HEAD: 10 mm Indented Hex with 17 mm Outside Diameter Loose Washer | FINISH: Black phosphate - QUANTITY: 10 (GM Part# 11503800) THREAD: M6-1.00 (Metric) | LENGTH: 20 mm | HEAD: 10 mm Indented Hex with 13 mm Outside Diameter Washer | FINISH: Black phosphate - QUANTITY: 10 (GM Part# 11503834) THREAD: M6-1.00 (Metric) | LENGTH: 25 mm | HEAD: 10 mm Indented Hex with 17 mm Outside Diameter Loose Washer | FINISH: Black phosphate - QUANTITY: 10 (GM Part# 11503982) THREAD: M6-1.00 (Metric) | LENGTH: 25 mm | HEAD: 10 mm Indented Hex with 24 mm Outside Diameter Loose Washer FINISH: Black phosphate - QUANTITY: 5 (GM Part# 11501188) THREAD: M8-1.25 (Metric) | LENGTH: 30 mm | HEAD: 13 mm Indented Hex with 24 mm Outside Diameter Loose Washer | FINISH: Black phosphate ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C36RQ1R8 | | Best Sellers Rank | #267,577 in Automotive ( See Top 100 in Automotive ) #2,339 in Automotive Clips | | Brand | Generic | | Color | Black | | Date First Available | April 21, 2023 | | Exterior Finish | Black Phosphate | | Fastener Type | Hexagon Bolt | | Head Style | Hex | | Head Type | Hex | | Item Diameter | 6 Millimeters | | Item Hardness | Grade 2 | | Item Weight | 1.04 pounds | | Item model number | T6R-45BBK-GM | | Manufacturer | GM Replacement | | Manufacturer Grade | Grade 2 | | Material | Alloy Steel | | Metal Type | Alloy Steel | | Number of Pieces | 45 | | Set Name | 45 | | Size | M8-1.25, M6-1.00, M6.3-1.81 | | Thread Class | 1A | | Thread Size | M8 x 1.25, M6 x 1.00, M6.3 x 1.81 | | Thread Style | Right Hand | | Thread Type | Metric | | UPC | 699838862821 | ## Product Details - **Exterior Finish:** Black Phosphate - **Head Style:** Hex - **Manufacturer Grade:** Grade 2 - **Material:** Alloy Steel - **Thread Size:** M8 x 1.25, M6 x 1.00, M6.3 x 1.81 ## Images ![45-Piece M8-1.25, M6-1.00, M6.3-1.81 Interior | Exterior | Engine Bay | Body Bolts | OEM Hardware FITS: 1981+ Chevrolet, Buick, Oldsmobile, Pontiac, Cadillac, GMC, GM B,C, D, E, F, G, J, X, Y, Body - Image 1](https://m.media-amazon.com/images/I/61UIKLtue2L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Yep *by V***) on November 22, 2025* Good parts great price ### ⭐⭐⭐⭐⭐ They came in handy *by K***N on September 30, 2025* What I wondered for the suburban ### ⭐⭐⭐⭐⭐ Very useful for missing screws *by P***Y on May 29, 2025* Good variety for GM truck. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/536476267-45-piece-m8-1-25-m6-1-00-m6-3](https://www.desertcart.us/products/536476267-45-piece-m8-1-25-m6-1-00-m6-3) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-25*