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4 pcs M8 Size, T-Slot Bolts (T-Bolts) w/ Washer Hex Nuts, Black, Stainless Steel

Bolts & Screws for T-Slot Channel

$29.00 CAD - $36.00 CAD
Shipping calculated at checkout.

Size: Standard T-Bolts
Regular price $29.00 CAD
Regular price $29.00 CAD Sale price $29.00 CAD

Free Shipping

Free Shipping to Lower 48 States.

Regular-size items may ship to PR, HI, and AK with additional charges.
Oversized items cannot be shipped via UPS to PR, HI, AK, VI, GU, APO, or FPO addresses.
UPS does not deliver to VI, GU, APO, or FPO addresses.

Brand: SYNETICUSA
SKU: T-Slot-M8
Part #:
130305
Regular price $29.00 CAD
Regular price $29.00 CAD Sale price $29.00 CAD

Square Head T-Slot Bolts – 4 Pack

Secure your gear and install your SYNETICUSA rack system with confidence using our premium stainless steel M8 T-Slot Bolts. Engineered for precise fit and superior strength, these bolts make rack installation fast, reliable, and hassle-free.

Whether you’re mounting ladder racks, overland racks, or roll bars, the Standard T-Bolts provide the perfect interface with SYNETICUSA T-slot rails. The Retrax-Compatible T-Bolts are for Retrax bed covers and the Small T-Bolts are for other customized setups where needed. 

Package Includes:

  • 4 × Stainless Steel M8 T-Bolts
  • 4 × Washers
  • 4 × Hex Nuts

T-Slot Bolt Size Chart

Bolt Type Base Dimensions (L × W) Height Thickness Compatibility
Standard T-Bolt 0.71" × 0.71" 1.22" 0.20" SYNETICUSA rack systems
Retrax-Compatible T-Bolt 0.71" × 0.71" 1.22" 0.158" Retrax retractable tonneau covers with T-slot channel
Small T-Bolt 0.58" × 0.58" 1.22" 0.141" Other T-slot channels (optional, compatibility not guaranteed)


Rack System Number of T-Bolts Required
R1S / R1L Ladder Rack 8 pcs
R2 Luggage Rack 8 pcs
R3 Overland Rack 8 pcs
R5 Low Profile Overland Rack 8 pcs
R6 Premium Overland Rack 12 pcs
R9 Roll Bar 8 pcs
Crossbar 8 pcs
Note: Standard T-Bolts are provided with SYNETICUSA's corresponding units. Retrax-compatible or small T-bolts are optional and sold separately.

Important Information

  • Specifically designed for PRO-Series racks (MR Retractable, AR Retractable, ER Retractable) and all SYNETICUSA rack systems
  • Ideal for mounting with T-slot channels without modification
  • If purchased individually, bolts do not include a standalone warranty
  • By purchasing the Retrax mounting bolts for use with our rack system, you acknowledge and accept that this installation is considered a custom fit. The appearance and fitment may differ from the product photos shown.

    The product images represent our rack installed on compatible SYNETICUSA bed covers, for which the mounting hardware is specifically designed. When used with other bed cover brands, including Retrax, modifications to the fitment or installation may be required, and the final appearance may vary.

    Please review this information carefully before purchasing.

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