Reverse Circulation RC Drill Bits, RC Button Bits, RC Hammer Bits
Product specifications:
R.C. drilling, referred to as "Centre Sample Recovery" or "Dual
Wall Drilling", employs a Dual Wall Pipe where the drilling medium,
normally high pressure air,is passed between the outer and inner
tubes down to the face of the drilling bit where
it is returned up the centre tube along with the sample cut by the
drill bit.
RC bits Model RC3.5 for shank RC3.5| Diameter | No. x Button diameter
mm | Button angle | Flushing holes | Shroud Dia
mm | Weight
(kg) | Part No. |
| mm | inch | Gauge Button | Front Button |
| 92 | 3 5/8 | 6 x 14mm | 6 x 12mm | 35 | 2 | 90 | 6.1 | RC3.5-90 |
| 95 | 3 3/4 | 8 x 12mm | 6 x 12mm | 35 | 2 | 93 | 6.3 | RC3.5-95 |
| 102 | 4 | 8 x 12mm | 6 x 12mm | 35 | 2 | 100 | 6.5 | RC3.5-102 |
| RC45 | DTH hammer type | RC55 | RC65 | RC52 |
| Length (less bit) mm | 1020 | Length (less bit) mm | 1111 | 1250 | 1208 |
| Weight(excluding bits) kg | 94 | Weight(excluding bits) kg | 66.5 | 110 | 70 |
| External diameter mm | Φ99 | External diameter mm | Φ126 | Φ146 | Φ126 |
Bit shank |
HRC45 |
Bit shank |
HRC55 |
HRC65 |
PR52 |
| Hole range(mm) | Φ114-127 | Hole range(mm) | Φ133-152 | Φ155-190 | Φ133-146 |
Connection thread |
upon the thread of the drill tube |
Connection thread |
upon the thread of the drill tube |
| Working pressure | 1.0-3.0Mpa | Working pressure | 1.5-3.5Mpa | 1.5-3.5Mpa | 1.5-3.5Mpa |
| Impact rate at 1.7Mpa | 30Hz | Impact rate at 2.4Mpa | 35Hz | 28Hz | 35Hz |
| Recommended Rotation speed | 25-40r/min | Recommended Rotation speed | 25-40r/min | 25-40r/min | 25-40r/min |
Air consumption | 1.0Mpa | 8.0m3/min |
Air consumption | 1.7Mpa | 16.0m3/min | 20.0m3/min | 16.0m3/min |
| 1.8Mpa | 12.0m3/min | 2.4Mpa | 22.0m3/min | 26.0m3/min | 22.0m3/min |
| 2.4Mpa | 16.0m3/min | 3.0Mpa | 28.0m3/min | 35.0m3/min | 28.0m3/min |
Specification:
1). 3" RC Hammers & RC Bits: Diameter(86mm-102mm), shank type:
RE531,
2). 3.5" RC Hammers & RC Bits: Diameter(98mm-115mm), shank
type:RC3.5
3). 4'' RC Hammers & RC Bits:Diameter (104mm-127mm), shank type:
RE004
4). 4.5'' RC Hammers & RC Bits:Diameter(113mm-135mm), shank type:
RE542,RE543
5). 5" RC Hammers & RC Bits: Diameter(122mm-142mm), shank type:
RE545,PR40,RE004
6). 5.5" RC Hammers & RC Bits: Diameter(133mm-146mm), shank
type:PR52, RE547, PR54,RE052,RE054
Product Photo
SOLLROC is a leading manufacturer of rock drilling tools, like DTH
hammers and bits, DTH drill pipes, RC hammers and bits, tophammer
button bits, coupling, cross bits, drill rods located in Changsha,
Hunan, China.
We have rich experience in this field of DTH hammers and bits for
20 years.
Owing to high quality, professional serivce and competitive price,
we have gotton good reputation from our customers all over the
world, such as France, Spain, Italy, South Africa, Australia, Iran,
Malaysia, Brazil, Canada, America, etc.
For more information please contact:
Changsha Sollroc Engineering Equipments Co., Ltd
Tel: 86-731-85551632 Fax: 86-731-85551635
Emai: info@sollroc.com
Skype: jessicaling1982
Skype: yongzhedrill
Website: www.sollroc.com
