Titanium Bolt M8x10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90mm Flying Saucer Torx T40 Head Screw for Motorcycle Bike Car, Pitch 1.25mm, by Tianswer

Aerospace-grade Ti-6Al-4V Grade 5 titanium M8 flying saucer (ultra-low profile domed flange) bolts with precision Torx T40 drive, engineered for flush aerodynamic bodywork, custom motorcycle fairings, and high-end automotive styling.

Flying Saucer Low-Profile Architecture

The distinctive “Flying Saucer” (UFO domed flange) profile combines an oversized 16mm load-spreading flange with an ultra-slim 5.0mm head height. This smooth, convex contour reduces aerodynamic turbulence and eliminates snag points against riding apparel, luggage, and trackside equipment. By replacing bulky socket head caps or protruding hex heads, it delivers a clean, factory-works aesthetic across visible body panels and custom automotive engine bays.

Torx T40 Drive & Cam-Out Resistance

Standard internal hex (Allen) drives frequently strip under repetitive servicing or high torque loads due to shallow contact angles. The precision-machined 6-lobe Torx T40 drive provides 100% radial contact and true tangential torque transfer. This eliminates cam-out force, protects the fastener head from rounding, and allows confident, slip-free torquing in tight access positions.

Wide Load Distribution & Structural Integrity

The integral 16mm flange acts as a built-in load washer, evenly dispersing clamping force across sensitive mounting substrates such as carbon fiber bodywork, ABS plastics, windshields, and lightweight aluminum brackets without cracking or crushing. For lengths 30mm and under, the bolt is fully threaded; for lengths over 30mm, it features a smooth unthreaded shank with a standardized ~25mm thread length to maximize joint shear strength across mating flanges.

Key Applications

• Motorcycles & Superbikes: Fairing mounts, windshield brackets, radiator guards, exhaust heat shield covers, rear sets, and custom builder frame dress-up.
• Performance Automotive: Engine bay cosmetic hardware, intake manifolds, radiator shrouds, fender flares, front splitters, and underbody aerodynamic diffusers.
• Bicycles & E-Bikes: Heavy-duty rack attachments, battery mounts, and suspension rocker pivots.

Specifications & Dimensions

Material: Certified Aerospace Ti-6Al-4V (TC4) Titanium Alloy, Grade 5
Thread Size: M8
Thread Pitch: 1.25mm (Standard Metric Coarse)
Head Profile: 16.0mm Ultra-Low Profile Flying Saucer Domed Flange
Head Height: 5.0mm
Drive Type: Torx T40 (6-Lobe Star Drive)
Available Lengths: 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm, 65mm, 70mm, 75mm, 80mm, 85mm, 90mm
Threading Profile: Full thread (≤ 30mm length); Partial thread with ~25mm thread engagement (> 30mm length)
Available Finishes: Natural Titanium, PVD Vacuum-Coated Gold, Rainbow, Burn Blue, PVD Deep Black

Installation & Torque Guidelines

Always use a high-quality, unworn Torx T40 bit seated perpendicular to the bolt axis. Apply anti-seize paste to prevent galling on bare metal assemblies. When tightening into structural metal components, torque to 18–22 N·m; when securing plastic fairings or carbon fiber panels, hand-tighten cautiously to avoid panel deformation. For detailed prevention of drive stripping and cam-out, refer to our Titanium Fastener Failure & Strip Prevention Guide.

Price is for 1 bolt.