1Pcs HSS Cobalt Twist Drill Bit Stainless Steel 3.5MM For Woodworking Tools 8.5mm

Features: Using?M35?cobalt?high?speed?steel?that?has?good?toughness,?high?wear?resistance,?and?excellent??performance. M35?cobalt?high?speed?steel?can?enhance?heat?resistance,?extend?the?service?life,?high?efficiency. For?all?types?of?metal?punching.?Hand?drill?or?bench?drill?can?be?used. Uses:?used?for?drilling?stainless?steel,?iron,?copper,?aluminum,?wood?and??materials. ? Specifications: Material:?M35?cobalt?high?speed?steel Size:?1mm-10.2mm?(Please?choose?your?desired?Size) Diameter(mm) ?length(mm) Total?length(mm) 1 12 34 2 24 49 2.5 30 57 3 33 61 3.2 36 65 3.3 36 65 3.5 39 70 4 43 75 4.5 47 80 5 52 86 5.5 57 93 6 57 93 6.5 63 101 6.8 69 109 8 75 117 8.5 75 117 10.2 87 133











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