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Packs of 10-High Speed Steel Twist Drills Sizes #80 to #50

Part # 128.580
Original price $5.70 - Original price $5.70
Original price
$5.70
$5.70 - $5.70
Current price $5.70
Availability:
20 in stock, ready to be shipped
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18 in stock, ready to be shipped
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15 in stock, ready to be shipped
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19 in stock, ready to be shipped
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13 in stock, ready to be shipped
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10 in stock, ready to be shipped
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20 in stock, ready to be shipped
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20 in stock, ready to be shipped
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14 in stock, ready to be shipped
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9 in stock, ready to be shipped
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11 in stock, ready to be shipped
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12 in stock, ready to be shipped
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15 in stock, ready to be shipped
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8 in stock, ready to be shipped
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14 in stock, ready to be shipped
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21 in stock, ready to be shipped
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17 in stock, ready to be shipped
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14 in stock, ready to be shipped
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11 in stock, ready to be shipped
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31 in stock, ready to be shipped
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15 in stock, ready to be shipped
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20 in stock, ready to be shipped
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14 in stock, ready to be shipped
Drill Size: #80 .343mm .0135"

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Product Details

Sold in Packs of 10 Drills-These popular HSS (High Speed Steel) twist drills have the same diameter shafts as the drills themselves. Used by jewelers everywhere for drilling small holes into all sorts of non-ferrous metals like gold, silver, copper and brass. Use by hand in a suitable adjustable chuck handpiece or for best results with a drill press. Can also be used in adapter chucks (see below) so you can use them in collet style quick change handpieces.

These sizes, from the smallest #80 ( 0.34 mm) to the larger #50 (1.78 mm) are sold in packs of 10 drills. We also have sizes #49 to #30 available in packs of 5 drills (see below), and many other drills available in the sizes below in different shank sizes and metal types.

Drill # MM Diameter Inch Diameter Closest Metric
#80 .343 mm .0135" N/A
#79 .368 mm .0145" N/A
#78 .406 mm .0160" 0.4 mm
#77 .457 mm .0180" N/A
#76 .508 mm .0200" 0.5 mm
#75 .533 mm .0210" N/A
#74 .572 mm .0225" N/A
#73 .610 mm .0240" 0.6 mm
#72 .635 mm .0250" N/A
#71 .660 mm .0260" N/A
#70 .717 mm .0280" 0.7 mm
#69 .744 mm .0293" N/A
#68 .787 mm .0310" N/A
#67 .813 mm .0320" 0.8 mm
#66 .838 mm .0330" N/A
#65 .889 mm .0350" N/A
#64 .914 mm .0360" 0.9 mm
#63 .940 mm .0370" N/A
#62 .965 mm .0380" N/A
#61 .991 mm .0390" N/A
#60 1.016 mm .0400" 1.0 mm
#59 1.041 mm .0410" N/A
#58 1.067 mm .0420" N/A
#57 1.092 mm .0430" N/A
#56 1.181 mm .0465" 1.1 mm
#55 1.321 mm .0520" 1.2 mm-1.3 mm
#54 1.397 mm .0550" N/A
#53 1.511 mm .0595" 1.4 mm-1.5 mm
#52 1.613 mm .0635" 1.6 mm
#51 1.702 mm .0670" 1.7 mm
#50 1.778 mm .0700" N/A




Warning: Cancer and Reproductive Harm www.P65warnings.ca.gov.

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