Molybdenum rods having a high melting point, good thermal conductivity and low thermal expansion properties. At high temperatures, can be anti-oxidation, high strength.
2014年3月12日星期三
Tungsten filaments drill
One kind of tungsten carbide drill bit from the drill shank , drill body composition, both the Kekai tungsten electrode welded into one . Shank drill , drill the outer diameter of the body can be consistent , you can also inconsistent, inconsistent welding large diameter end of the cone -shaped bar . The utility model is the use of recycled scrap tungsten filaments drill bits, processed and treated after cutting , to conserve resources , reduce costs , and its strength, hardness and other characteristics are excellent for PCB drilling , to ensure that the use performance and service life .
订阅:
博文评论 (Atom)
没有评论:
发表评论