Medium internal profile clamp for full brick corners
Internal corners on full brick walls need a clamp dimensioned for the return — not just a mirror of the external clamp. BT’s medium internal profile clamp is the complement to the UGCM external, designed to work together on a corner so your profile sits true and plumb from the first course.
The BT difference
- Securely fastened insert — stays tight through thousands of cycles
- Domed washer — spreads clamping pressure, extends service life
- Unique corner “kink” — keeps the clamp clear of the brick edge
Specifications
- Dimensions: 280mm × 25mm × 85mm
- Suits full brick
- Fits 40mm, 50mm and 2″ box section bricklaying profiles
- Zinc-plated for corrosion resistance
- 12-month warranty
External version also available (UGCM). Proudly Australian-made and owned. Part of BT Engineering’s complete bricklaying profile system.










Great for internal profiles
Threads not long enough to work with a 40 mm profile
G’day Nick,
No these are designed to work with 50mm & 2″ profiles. If you are after something to suit 40mm profiles I can recommend the BT Spike at the following link:
https://www.btengpl.co.uk/product/spike-internal/. This has a much longer screw to accommodate such profile.
Otherwise, if you already have one of our Sliding G-Clamps you can use one of these. Slide the slider off and put it on backwards. The clamp then can be used as normal, the welded flat end inserted into the perp and the slider screwed up against the profile. Please let us know if there is anything else we can help if.