Δ Features:
| SPECIFICATIONS of thread drill button bit FOR TUNNELING AND QUAARY | |||
| Items | Specification | Optional | OEM |
| Product Name | Thread drill button bit | Available | |
| Main size | 28mm 30mm 32mm 34mm 36mm 38mm 40mm 42mm | ||
| Button quantity | 4 / 5 / 6 / 7 / 8 | Available | |
| Taper degree | 6 / 7 / 11 / 12 | Available | |
| Brand | WEIKAI | WEIKAI | Available |
| Material | 42CrMo | 45CrNi | Available |
| Carbide | Common | YK05 | Available |
| Weight | Available | ||
| PN | 1431-34722-27/57-42-51 | 1431-34722-27/57-45-51 | Available |
| Colour | Black/Yellow/Blue/others | Black/Yellow/Blue/others | Available |
| Apllication | mining / tunneling / quarry / blasting | mining / tunneling / quarry / blasting | Available |
| Advantage | Competitive price | high quality | Available |
Δ Raw Materials
Alloy steel: 35CrNiMoVA 45CrNiMoVA etc, famous BAOWU steel group production.
Carbide: YK05, RK06 etc., Zhuzhou production.
The material with high quality and they have many designs to fit for various needs.