... : Manufacture and sale 2)Min. Order: 2000 pieces 3)Type:X,XX,EX,EXX,EC,ECC,ESF,ESSF,ESD,ESSD,EY ... Dingrun High Quality Self-drilling Anchor Drill BitSpecification:1)It's the most crucial part 2)It is responsible for the ... details are as follows: Size Description R25N R32L/N/S R38NR51L/N T76N/S X Forged cross-cut drill bit Φ42/51 Φ51 ...