Adjustable 200mm Plane Type Circle Hole Drill Bit DIY Tools 300mm

Specifications： Material:?Steel?body and Alloy?heads Adjustable?range: 30-300mm ?Hole?Diameter:?30-120mm,?30-200mm,?30-300mm ?Depth:?30mm Shank?Diameter:10mm?(Suitable?for?10mm?diameter?electric?drill) Suitable?for?drill:?Plywood,?Laminates,?Composite,?Gypsum,?Rubber,?Plastic,?Hardwood?etc. ? Features:? High-grade?carbide??with??sharp,?smooth?rotation,?brisk?operation.Wide?range?of?uses,?hole?diameter? size?can?be?adjustable.?Alloy?,??smooth,?the?hole?wall?are?smooth?and?no?glitches,?good?effect?of?the? straight?roundness,?opening?hole?depth?is?30mm. ? How?to?use: 1.?Two??reach?drill?center?distance?are?equal,?can?open?hole. 2.?Two??reach?drill?center?distance?are?not?equal,?can?get?concentric?rings?and?circles. 3.?Before?drilling?to?check?whether?the??is?fixed?and?adjustable?diameter?bolts?tightened?to?prevent?accidents 4.?When?the??is?not?sharp?please?grind?the??then?use. ? Note:?You?can?not?be?used?for?drill?metal?or?. Package?included: 1x?Circle? 1x?L?Shape??Spanner 1x?Sheet?Center?Bit













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