Product Details
Self drilling hollow ground anchor bolts - rock bolts, rock anchor:
Self drilling anchor bolts: self-drilling rock anchoring/rock
bolt/anchor plate factory from China: R22, R25, R32, R38, R51 rock
bit, nuts, couplings, drill rod etc.
1. Self Drilling Anchor Bolt.
2. Material:seamless steel pipe 40Cr/EN40Cr.
3. Left thread.
4. ISO9001&CE.
Applications:
Tunnelling ground engineering;
Radial bolting,slope stabilization,forepoling,micro injection
pile,face stabilization,temporary support anchor,portal
preparation,soil nailing.
Welcome to visit our factory in China, and expecting to establish
long terms cooperations with you!
Specification | R25N | R32L | R32N | R32/18.5 | R32S | R32SS | R38N | R38/19 | R51L | R51N | T76N | T76S |
Outside diameter (mm) | 25 | 32 | 32 | 32 | 32 | 32 | 38 | 38 | 51 | 51 | 76 | 76 |
Internal diameter, average(mm) | 14 | 22 | 21 | 18.5 | 17 | 15.5 | 21 | 19 | 36 | 33 | 52 | 45 |
External diameter, effective(mm) | 22.5 | 29.1 | 29.1 | 29.1 | 29.1 | 29.1 | 35.7 | 35.7 | 47.8 | 47.8 | 71 | 71 |
Ultimate load capacity (KN) | 200 | 260 | 280 | 280 | 360 | 405 | 500 | 500 | 550 | 800 | 1600 | 1900 |
Yield load capacity (KN) | 150 | 200 | 230 | 230 | 280 | 350 | 400 | 400 | 450 | 630 | 1200 | 1500 |
Tensile strength, Rm(N/mm2) | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 | 800 |
Yield strength, Rp0, 2(N/mm2) | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 | 650 |
Weight (Kg/m) | 2.3 | 2.8 | 2.9 | 3.4 | 3.4 | 3.6 | 4.8 | 5.5 | 6.0 | 7.6 | 16.5 | 19.0 |
Thread type (Left-hand) | ISO 10208 | ISO 1720 | MAI T76 standard |
Steel grade | EN 10083-1 |
Company Profile
Liaocheng Jinquan Construction Machinery Co.,Ltd (Formerly Jinquan
(Golden Spring) Rock Drilling Tools Co., Ltd) was established in
1984, located in Economic Development Zone Of Liaocheng, Shandong
Province, China. It belongs to the group company of Golden Spring
Drilling Limited. We are one of the biggest production bases of all
kinds of rock drilling tools, mainly produce "Jinquan" brand rock tools, including threaded button bits, tapered button bits, cross drill bits, chisel bits, down the hole DTH bits, DTH hammers, extension drill rod, MF rod, shank adaptors, coupling sleeves,
conical shank cutter bits, pick holders, tricone bits, air
compressor, drilling rigs etc. Now our manufacturing capacity has
reached eight series and more than 500 types of products. They are
widely used in quarrying, mining, road building, railways,
highways, water well, hydroelectric power and other basic energy
& civil construction projects. rock drilling tools, button bits, dth drilling tools, shank
adapter, coupling sleeves, integral drill steels, tapered drill
rod, extension rod, speed rod, mf rod, cutter bits, coal mining
tools, screw air compressor.
Jinquan Corporation is a specialized manufacturer & exporter of
quality rock drilling tools in China, with advanced technology,
topclass equipments and meets select international quality
standards. Furthermore, our products are produced & designed in
terms of IS09001:2008 stipulation. Owing to our products' excellent
performance and reasonable pricing policy, we successfully
minimized our every customer's drilling cost into per meter. Also
we would be happy to design & produce products as per your
required specifications.