Huada Superabrasive Tool Technology Co. Ltd

Model Number: TD-018 Key Specifications/Special Features: HSS left hand twist drill bitsHardened high speed steel body provides additional safeguard.Jobber Length; 118 degree point, bright finish.General purpose drill construction.Perfect for screw extractors.Heavy duty web for strength and durability.A left hand helix for screw machine applications where spindles rotate counterclockwise.HSS cobalt high speed steel are available on request.Drill Bits Set are available on request.Metric Size are available (DIN338 Standard):1.0mm ~ 13.0mm by 0.1mmSets are available:1.5 ~ 6.5mm x 13pcs set1.0 ~ 10mm x 19Pcs set1.0 ~ 13mm x 25pcs set

Inch size are available (ANSI B94.11M-1993 Standard):
Fractional size: 1/16" ~ 1/2"
Letter size: A ~ Z
Wire gage size: 1# ~ 60#
Set are available:
1/16" ~ 1/4" x 13pcs set
1/16" ~ 3/8" x 21pcs set
1/16" ~ 1/2" x 29pcs set
115pcs set etc.