Aircraft Extension Twist Drill Bit & Kits for Metal Drilling

  Product DescriptionProduct Name NAS907 Type J  6 12 Inch HSS Aircraft Extension Extra Long Drill Bit for Metal Stainless SteelMaterial HSS  (HSS Cobalt is Available)Process Fully Ground   (Rolled & Polished, Rolled, Milled are Available)Standard Extra Long DIN1869                 (DIN338, Stub DIN1897, Long DIN340,                                                     Blacksmith Reduced Shank 10mm, 13mm, DIN345 Taper Shank are Available)  6 ,12 inch Airctraft Extensoin  (Jobber Length, Stub Screw Machine Length,                                                     Long Taper Length, Silver & Deming 1/2" Reduced Shank are Available)Size 1 - 13mm, 1/16" - 1" Point Type 135 Degree Split Point  (118 Degree Regular Point, Turbo Max Point, Pilot Point are Available)Shank Type Straight Shank   (Hex Shank, Tri-Flats Shank, Double R Hex Shank, Reduced Shank,                               Threaded Hex Shank, Taper Shank are Available)Helix Angle Regular Spiral Type N  (Slow Spiral Type H, Fast Spiral Type W, Left Hand Spiral are Available)Web & Flute Type Regular Web & Flute  (Thick Web with Parabolic Flute, Heavy Duty Web with Regular Flute are Available)Surface Finish Bright  (Black Oxide, Amber Color, Titanium, Black & Gold, Black & Bright are Available)Package 10/5 Pcs in PVC Pouch, Plastic Box, Individually in Skin Card, Double Blister, Clamshell.Features 1.High-speed steel tools are good for most general purpose applications, offering a combination of hardness   and toughness for wear resistance. 2.No center punch is needed-the aggressive 135° Quick-Cut points are self-centering and penetrate quickly   with less pressure. Will not "walk" or "wander". 3.Precision ground point, flutes, body, clearance and drill diameter for the ultimate in accuracy and performance. 4.High Speed Steel(HSS) Aircraft Extension Drill Bits are made to the NAS 907 type J, type B standard. 5.Long flute and overall length design is for jobs requiring extra reach or for deep hole drilling.Product sizesOther specification is also available according to your requirements. (OEM, ODM )  Pls. contact us freely for more information, I will reply you ASAP! Hope you will enjoy a comfortable cooperation with us! /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1