M10 hammer head bolt

M10 stainless steel hammer-head bolts - ideal for permanent use on your vehicle's roof!

Also available with M8 thread in various lengths!

Combine the thread diameters, thread lengths, and fastening materials needed for your project.

These M10 hammer-head bolts are ideal for securely mounting roof racks, roof decks, solar panels, and other accessories to the C-rails on the roofs of VW T5, T6, T6.1, Crafter, Sprinter, and other vehicles.

Due to their design, they can be inserted anywhere and do not need to be pushed through the rail openings to the desired position.

You get the hammer-head bolts including mounting material as desired:

Self-locking nut	Self-locking nut with cap	Self-locking flange nut	Eye nut	Star knob	Security star knob

Washer ⌀ 20 mm	Washer ⌀ 30 mm	Rubberized washer	Spring washer

Consider the material thickness of all parts when choosing the length:

When choosing an M10 hammer-head bolt with a 20 mm thread length, bolt, and washer, for example, 5 mm of usable thread length remains for the material to be fastened:

20 mm thread - 3 mm C-rail - 10 mm nut - 2 mm washer = 5 mm

Data for selectable accessories:

Further material thicknesses:

Do you need other lengths or other fastening material? Then please contact us. We also manufacture groove nuts at short notice according to customer requirements.

Always use threadlocker to prevent screws from coming loose! We offer environmentally friendly, hazardous substance-free threadlocker.