Reynella East High School

Drill bit size Material Cutting Speed R.P.M Hazard 5mm dia. Acrylic 50m/min 11mm dia. Timber 42x19 60m/min 32mm dia. Plywood 6mm 60m/min 19mm forstener bit Timber 75x35 60m/min 3mm dia. Straight flute Tin plate 30m/min Once you have identified the hazards in Q7 … ................
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