Brand: Behappy
Warranty Period: 3 Years
Certification: Csa, Pcoc, Reach, Iecee, Scoc, Ul, Epa, Gs
Support Customization: Oem, Odm, Obm
Place Of Origin: China
Species: Twist Drill Bit
Application: Metal Drilling, Pcb Drilling, Well Drilling, Wood Drilling
Surface Treatment: Black Oxide, Zinc, Plain
Packaging: plastic box,blister card,plastic bag
Productivity: 10 Thousand Sets
Transportation: Ocean,Land,Air,Express
Place of Origin: China
Supply Ability: 10 Thousand Sets
HS Code: 8205590000
Port: SHANGHAI,YIWU,FOSHAN
Payment Type: L/C,T/T,D/P,Paypal
Incoterm: FOB,CFR,CIF,EXW,FCA,CPT,CIP
麻花钻基本角度
前角是两个主切削刃在平行平面上的投影的夹角。刃角小易切入工件，轴向阻力小，切削刃工作长度增加，切削层公称厚度减小，有利于散热，提高刀具耐用度；如果麻花钻头解释刃角过小，则钻头强度减弱，变形增大，扭矩增大，钻头容易折断。因此，要根据工件材料的强度和硬度来磨削合理的前角，标准麻花钻的前角2φ118°
Product Categories : Drill Bit > Twist Drill Bit
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