#77 number drill 10/pk

$16.37
In Stock


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Wire gauge number drills, HSS from #61 - #80

Used for drilling all types of wood, precious metals, non ferrous metals, mild steel, bone, sea shells and plastics.

The chart below will help in working out equivalent sizing for number drills.

Millimetres

Inches (decimal)

Number size/fraction

.3429mm

.0135"

#80

.3683mm

.0145"

#79

.3969mm

.015625"

1/64"

.4064mm

.016"

#78

.4572mm

.018"

#77

.5mm

.0197"

 

.508mm

.02"

#76

.5334mm

.021"

#75

.5715mm

.0225"

#74

.6096mm

.024"

#73

.635mm

.025"

#72

.6604mm

.026"

#71

.7112mm

.028"

#70

.74168mm

.0292"

#69

.75mm

.0295"

 

.7874mm

.031"

#68

.7938mm

.03125"

1/32"

.8128mm

.032"

#67

.8382mm

.033"

#66

.85mm

.0335"

 

.889mm

.035"

#65

.9144mm

.036"

#64

.9398mm

.037"

#63

.95mm

.0374"

 

.9652mm

.038"

#62

.9906mm

.039"

#61

1mm

.0394"

 

 

 

(37577)

SKU 37577
Brand HTA
Shipping Weight 0.0200kg
Shipping Width 0.050m
Shipping Height 0.050m
Shipping Length 0.030m

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