亚洲国产三级网站_日韩A手机在线观看_99TV国产人成在线观看_亚洲综合久久菠萝蜜_午夜福利av电影院_曰本女人牲交大片_ASIAN中国人体欣赏PICS_日本一区二区最新版本视频_午夜男女爽爽爽软件_亚洲香蕉 人av在线影院

Tungsten-Carbide Blades 

Suitable for slitting paper, film, gold, silver foil, aluminum foil, copper foil, magnetic tape and other items.

Using primary ultra-fine grain tungsten carbide powder to produce blank material, after special treatment, processed by professional grinding equipment

Sharp cutter, long life; high product precision, low frequency of blade change.

High hardness, good toughness, high temperature resistance Hardness: HRC90°-93°, wear resistant; Density: 15.5kg/dm3.