China TWIST DRILLS High Speed Cobalt DIN 338

Twist Drills
High Speed Cobalt DIN 338
OEM to Germany famous brand
Feature :Faster, more durable, and wider use
Higher cutting speed:
The unique design of "dense spiral flute" and "rabbet flange" greatly improves the capacity of discharging the drilling dust. It makes drilling work more efficient and avoids the risk of damage from overheating caused by the continuous running. It increases the drilling stability.
High quality steel:
Made of M2 high speed steel in accord with Germany enterprise standard. The elements proportion of W, Mo, Cr, V and so on meets the upper limit of DIN standard, while the impurity control meets its lower limit.
Longer lifetime:
The latest design of "double back angle" under the tip angle of 130°, working with "dense spiral flute". The using test on the high hardness steel indicates that it can drill 3-5 times of the holes than other brands.
Superb treatment process:
The decaling and the strict surface treatment improve the consistency of cutting performance.
Specification :
ART.NO.
ROLL
FORGEDØ
mmLength
mmFlute
Length
mm Nearest
Ø inchART.NO.
FULLY
GROUNDPack
Qty1010811.0 34123/64101085101010911.1 36143/64101095101011011.2 38163/64101105101011111.3 38163/64101115101011211.4 40181/16101125101011311.5 40181/16101135101011411.6 43201/16101145101011511.7 43201/16101155101011611.8 46225/64101165101011711.9 46225/64101175101011812.0 49245/64101185101011912.1 49245/64101195101012012.2 53273/32101205101012112.3 53273/32101215101012212.4 57303/32101225101012312.5 57303/32101235101012412.6 57307/64101245101012512.7 61337/64101255101012612.8 61337/64101265101012712.9 61337/64101275101012813.0 61337/64101285101012913.1 65361/8101295101013013.2 65361/8101305101013113.3 65361/8101315101013213.4 70391/8101325101013313.5 70399/64101335101013413.6 70399/64101345101013513.7 70399/64101355101013613.8 75435/32101365101013713.9 75435/32101375101013814.0 75435/32101385101013914.1 75435/32101395101014014.2 75435/32101405101014114.3 804711/64101415101014214.4 804711/64101425101014314.5 804711/64101435101014414.6 804711/64101445101014514.7 8047316101455101014614.8 8652316101465101014714.9 8652316101475101014815.0 865213/64101485101014915.1 865213/64101495101015015.2 865213/64101505101015115.3 865213/64101515101015215.4 93577/32101525101015315.5 93577/32101535101015415.6 93577/32101545101015515.7 93577/32101555101015615.8 935715/64101565101015715.9 935715/64101575101015816.0 935715/64101585101015916.1 1016315/64101595101016016.2 101631/4101605101016116.3 101631/4101615101016216.4 101631/4101625101016316.5 101631/4101635101016416.6 1016317/64101645101016516.7 1016317/64101655101016616.8 1096917/64101665101016716.9 1096917/64101675101016817.0 109699/32101685101016917.1 109699/32101695101017017.2 109699/32101705101017117.3 109699/32101715101017217.4 1096919/64101725101017317.5 1096919/64101735101017417.6 1177519/64101745101017517.7 1177519/64101755101017617.8 117755/16101765101017717.9 117755/16101775101017818.0 117755/16101785101017918.1 117755/16101795101018018.2 1177521/64101805101018118.3 1177521/64101815101018218.4 1177521/64101825101018318.5 1177521/64101835101018418.6 1258111/32101845101018518.7 1258111/32101855101018618.8 1258111/32101865101018718.9 1258111/32101875101018819.0 1258123/64101885101018919.1 1258123/64101895101019019.2 1258123/64101905101019119.3 1258123/64101915101019219.4 125813/8101925101019319.5 125813/8101935101019419.6 133873/8101945101019519.7 133873/8101955101019619.8 1338725/64101965101019719.9 1338725/641019751010198110.0 1338725/641019851010199110.1 1338725/641019951010200110.2 1338713/321020051010201110.3 1338713/321020151010202110.4 1338713/32102025510203110.5 1338713/32102035510204110.6 1338727/64102045510205110.7 1429427/64102055510206110.8 1429427/64102065510207110.9 1429427/64102075510208111.0 142947/16102085510209111.1 142947/16102095510210111.2 142947/16102105510211111.3 142947/16102115510212111.4 1429429/64102125510213111.5 1429429/64102135510214111.6 1429429/64102145510215111.7 1429429/64102155510216111.8 1429415/32102165510217111.9 15110115/32102175510218112.0 15110115/32102185510219112.1 15110115/32102195510220112.2 15110131/64102205510221112.3 15110131/64102215510222112.4 15110131/64102225510223112.5 15110131/64102235510224112.6 1511011/2102245510225112.7 1511011/2102255510226112.8 1511011/2102265510227112.9 1511011/2102275510228113.0 1511011/21022855
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