300MM Combination Square Set

300MM Combination Square SetThe 300MM Combination Square Set is a versatile measuring and marking tool for establishing and checking 90 and 45 angles, measuring lengths to 300 mm and finding centres on round stock. It combines a 300 mm rule with a movable combination head, protractor and centre finding attachment to offer layout, depth gauging and simple levelling tasks in one compact kit. Its primary use is accurate marking and squaring in metalworking and woodworking

long edge life provided by the induction‑hardened cutting faces

Key benefits include the ability to adjust thread fit via the split clamp screw

allowing fine‑tuning of thread engagement and easier correction of undersize or damaged threads

the strength and toughness of chrome‑vanadium construction

Key benefits of this 17 mm hex key are its material strength and dimensional compatibility

The head types are an open-ended jaw on one side and a ring/box end on the other

Typical applications include external and internal joint sealing with silicones

The design is produced to Draper Tools Group D specification and conforms to relevant DIN/ISO/BS hand-tool accessory standards for square drive implements

while seals are supplied in NBR (nitrile) as standard with Viton (FKM) available on request for greater chemical compatibility

baseplate fixings

furniture manufacture and assembly

robust shaft is required — for example club hammers