Sim Racing Rig Fastener Kit — Hex Bolts & Spring-Loaded T-Nuts | 40 Series (8mm T-Slot)
Everything you need to build, expand, or upgrade your sim racing rig — in one kit. Premium Class 12.9 alloy steel bolts paired with spring-loaded roll-in T-nuts, sized perfectly for 40 series aluminum extrusion. Choose your head style, thread size, length, and quantity to match your build.
Choose Your Configuration
Head Style: Button Head · Socket Cap Head
Thread Size: M6 · M8
Bolt Length: 16mm · 20mm · 25mm
Quantity: 10-Pack · 20-Pack
Each kit includes an equal number of bolts and matching spring-loaded T-nuts.
About This Kit
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Built for Sim Racing Rigs: Engineered for sim racing cockpits, wheel decks, pedal mounts, shifter brackets, monitor stands, and any 40 series aluminum extrusion build. Delivers the clamping force and shear strength needed to keep your rig rock-solid through every brake stomp, wheel yank, and aggressive corner — no flex, no rattle, no loosening over time.
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Class 12.9 Heat-Treated Alloy Steel Bolts: Forged from premium heat-treated alloy steel and rated to Class 12.9 — the highest commonly available strength grade for fasteners. With a tensile strength of approximately 1,200 MPa, these bolts vastly outperform standard 8.8 or 10.9 hardware. The matte black oxide finish looks sharp against aluminum extrusion, reduces glare for streaming setups, and provides mild corrosion resistance.
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Spring-Loaded Roll-In T-Nuts: Drop them in anywhere along the extrusion — no need to slide from the end of the profile. The integrated ball-spring mechanism holds each nut firmly in position while you align your parts, making assembly faster, cleaner, and far less frustrating. Perfect for adding or repositioning components on an already-assembled rig. Made from quality carbon steel with a zinc-plated finish for hardness and corrosion resistance.
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Two Head Styles, Your Choice: Pick Socket Cap Head for maximum clamping strength and a classic industrial look, or Button Head for a lower-profile, rounded finish that sits flush against panels and brackets. Both accept a standard hex (Allen) key for easy installation and adjustment.
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Perfect Fit for 40 Series Extrusion: Designed specifically for European-standard 40 series aluminum profiles with an 8mm T-slot and 2.0mm wall thickness. T-nut dimensions: 23mm (L) × 13.8mm (W) × 8.8mm (H). Please refer to the dimension diagram before purchase to confirm compatibility.
Specifications
| Component |
Detail |
| Bolt Material |
Class 12.9 heat-treated alloy steel |
| Bolt Finish |
Black oxide (matte) |
| Bolt Tensile Strength |
~1,200 MPa |
| T-Nut Material |
Carbon steel, zinc-plated |
| T-Nut Dimensions |
23 × 13.8 × 8.8 mm |
| Compatible Profile |
40 series aluminum extrusion, 8mm T-slot |
| Thread Sizes |
M6, M8 |
| Bolt Lengths |
16mm, 20mm, 25mm |
| Head Styles |
Button Head, Socket Cap Head |
| Drive Type |
Hex / Allen key |
| Kit Quantities |
10-pack or 20-pack (bolts + matching T-nuts) |
Ideal For
Sim racing rigs · Cockpit frames · Wheel decks · Pedal mounts · Shifter & handbrake brackets · Monitor stands · Keyboard trays · 3D printer frames · CNC routers · Workstations · Any 40 series aluminum extrusion project
