店铺已到期,升级享全网推广!
槽型:十字槽(PHILLIPS) 米字槽(POZI) 方槽(SQURE) 梅花槽(TORX)
头型:沉头FLAT/COUNTERSUNK) 盘头(PAN)
单锥(SINGLE) 双锥(DOUBLE)
头下带筋:四筋(4 RIBS) 六筋(6 RIBS) 头下不带筋
标准:DIN7505