鉆尾螺絲根據(jù)執(zhí)行標(biāo)準(zhǔn)可分為:國(guó)標(biāo)GB/T,,德標(biāo)DIN,,日標(biāo)JIS,國(guó)際標(biāo)準(zhǔn)ISO,。 A. 根據(jù)用途和形狀還可以分為以下幾個(gè)類別: 1.十字槽盤頭自鉆自攻螺釘.Cross recessed pan head drilling screws with tapping screw thread 執(zhí)行標(biāo)準(zhǔn):GB/T 15856.1-2002 有如下規(guī)格:(又稱為圓頭鉆尾)
2.十字槽沉頭自鉆自攻螺釘.Cross recessed countersunk head drilling screws with tapping screw thread 執(zhí)行標(biāo)準(zhǔn):GB/T 15856.2-2002 有如下規(guī)格:(又稱為平頭鉆尾,沙拉頭鉆尾)
3. 十字槽半沉頭自鉆自攻螺釘.Cross recessed countersunk head drilling screws with tapping screw thread 執(zhí)行標(biāo)準(zhǔn):GB/T 15856.3-2002 有如下規(guī)格: 此規(guī)格是半沉頭在市場(chǎng)上較為少用,。 4.六角法蘭面自鉆自攻螺釘.Hexagon flange head drilling screws with tapping screw thread 執(zhí)行標(biāo)準(zhǔn):GB/T 15856.4-2002 有如下規(guī)格:(又稱為六角大華司鉆尾,是鉆尾螺絲中最常用且也是最大量的規(guī)格.)
5.六角凸緣自鉆自攻螺釘.Hexagon washer head drilling screws with tapping screw thread 執(zhí)行標(biāo)準(zhǔn):GB/T 15856.5-2002 有如下規(guī)格:(又稱為六角小華司鉆尾,)
|
|