The #8 (4mm) screw hole has been angled for ease of screwing providing side clearance for drill

SET RIVET SIZES:

(1) 11mm (7/16") Spindle Wrench

PTC's will drill through Class 5 tiles (PEI) and most domestic and industrial wall and floor tiles

Reference angle mode allows an angle measurement to be accepted

Brick Jointer by Spear & Jackson Power Tool Accessories The #8 (4mm) screw holeBrand SPEAR & JACKSON Specifications Blade Size 13mm & 16mm Features & Benefits Carbon Steel BodyConvex ProfileMetal HandleSuitable for Finishing of Mortar Joints in Brick & Block Walls Options SJ 21238C SJ 21258B Options SJ 21238C SJ 21258B Options SJ 21238C SJ 21258B