Could someone please confirm if I've right here:
A 2mm wide slot would accomodate an M2.5 threaded bar;
A 4mm wide slot would accomodate an M5 threaded bar?
 A 2mm HSS drill shank sit shappily in the slot - a 2.5mm dill will
 A 4mm drill shank sits in the slot.
It's that screed floor that has a crack down the middle (builder cock
up). I have decided to angle grind 30cm long slots perpendicular to
the crack acorss the crack at 30cm intervals.
I will then resin A2 stainless threaded bar into these slots using Uzin
My wall chaser cuts slots with 2mm drill shank clearance, and I can
acheive a 4mm slot if I clamp the two diamond discs onto each other.
So I'm deciding what size bar to buy...
 Don't get me started on builders. Every bloody time I have to fix
something... And I trust me more, so no, not calling them back... Too
 It's a low viscosity resin designed for the job with screed
 Seems dodgey but a test run indicates the chaser is not unhappy. I'm
well protected by shielding so the risk is low.
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