Sollroc RE040 RE052 RE054 Reverse Circulation RC Drill bit

RC hammer and bits available: 1) 3" RC hammers and bits: 86mm-102mm, RE531 connection thread 3" Remet 2) 3.5" RC hammers and bits: 92mm-121mm, RC3.5-Y connection thread 3" Remet 3) 4'' RC hammers and bits: 114mm-127mm, RE004 connection thread 3.5"/4" Remet; 4" Metzke 4) 4.5" RC hammers and bits: 121mm-140mm,RE542/RE543 connection thread 3.5"/4" Remet; 4" Metzke 5) 5'' RC hammers and bits: 124mm-146mm, RE545/PR40 connection thread 3.5"/4.5" Remet; 3.5"/4.5" Metzke 6) 5.5'' RC hammers and bits: 136mm-146mm, PR52/RE547/PR54 connection thread 4.5" Remet; 4.5" Metzke