Factory Direct R25 R32 R32n R38 R-Thread Hollow Anchor Bar Self Drilling Anchor Bolt / Hollow Anchor Bar / Anchor Rods Price

• Customization: Available
• After-sales Service: Can Exchange Goods
• Warranty: 2 Year
• Model NO.: R25 R32 R32n R38
• Certification: ISO 9001
• Standard: AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN
• Surface Treatment: Without Processing
• Manufacturing Process: Hot Rolled
• Material: Carbon Steel
• Terms of Payment: 30%T/T Advance + 70% Balance
• Trade Terms: EXW Fob CFR CIF
• Place of Origin: China
• Length: Custom Length
• Diameter: Custom Diameter
• Materials: High Strength
• Surface: Antirust Coating or Zinc Plating
• Way to Install: According to Actual Engineering
• Installation Method: Pre-Stressed Anchor, Traction Bolt, Grouted Rock Bol
• Marking and Numbering: Custom
• Transport Package: Standard Seaworthy Packing
• Specification: 1/8′′-24′′ SCH40 SCH80 STD or customization
• Origin: Liaocheng Shandong
• HS Code: 7308
• Production Capacity: 300000tons/Year

Product Description

High Quality China Self Drilling Anchor Tool R25 R32 R38 T40 T52 T73 T76 T103 Hollow Rock Bolt Mine Rock

R-Thread Anchor Rod Technial Data

Product Name	Precision steel pipe/Hot rolled seamless carbon tube/alloy steel pipe/steel tube
Standard	ASTM A106 ,ASTM A53 ,API5L B ,ASTM A179, ASTM A210 ,ANSI B36.10, GB 5310,GB6479,GB9948,GB/T17396GB 3087, GB/T 8162 ,GB/T8163
Outer Diameter	4-914mm ( Or customized according to customer requirements )
Wall Thickness	1-150mm ( Or customized according to customer requirements )
Length	6m,12m or as per customer's requirements
Packing	In bundles tied with steel stripes
Payment Term	T/T, L/C at sight
Delivery Time	Within 7-60 days after signing the contract or as your requirement
Delivery condition	Beveled or Plain end with varnish/2PP/2PE/3PE/3PP anticorrosive coatingas per clients confirmation ; With or without protecting caps as percustomer's requirements;with FBE internal coating for water steel pipes.
Material	A53(A,B),A106(A,B),Q345,16Mn, 10# 20#,45# S235JR, 1010,1020,1030,1040,1050,ASTMA252 Gr.2,Gr.3; ST37,ST42,ST52;Gr.B,X42,X46,X52,X56,X60,X65,X70, 4140 4120 4130 4142 35CrMo 42CrMo 1033 1320 1330 1527 1340 1345 20Mn 35Mn 40Mn 20Mn2 35Mn2 5115 5120 5135 5140 5145 5150 20Cr 30Cr 35Cr 40Cr 45Cr 5120  20CrMnTi 8620 20CrNiMo 4340 40CrNiMoA  52100 GCr15  27SiMn 9260 60Si2Mn 9255 55Si2Mn 6150 50CrVA 440C 9Cr18Mo 3140 3135 40CrNi etc
Usage	for petroleum/ natural gas pipeline , for conveying water,drainage,coal gas, mineral slurry and other low-middle pressure liquids. Also for chemical industry, building structure,heat-supply and pile driving projects.
Export to	Canada, USA, Argentina,Peru, Chile, Colombia, Brazil, Venezuela,Malaysia, Singapore, the Czech Republic, Australia, Myanmar, Kenya, South Africa, Spain, Italy, France, England, the Netherlands,Belgium, etc
Certificates	API 5L; ISO9001:2015 ; SGS

R thread anchor bar or called rock rod, soil nail, which is a kind of threaded hollow bar, bar surface with an rope thread according to ISO 10208 & 1720. It was firstly invented by MAI on 1960S to solve the low construction speed on complicated underground works, nowadays; it is very popular all around the world.
Thread size: R25, R32, R38, R51, T76.
Thread standard: ISO10208, ISO1720 etc.

T-Thread Anchor Rod Technial Data

Bar Type	Outside Diameter (mm)	Inside Diameter (mm)	Cross section (mm2)	Ultimate Load KN	Yield Point KN	Weight (kg/m)	Thread Left/ Right Hand
30/11	30	11	446	320	260	3.3	Lift or right
30/14	30	14	395	260	220	2.9	Lift or right
30/16	30	16	382	220	180	2.7	Lift or right
40/16	40	16	879	660	525	7.0	Lift or right
40/20	40	20	726	539	430	5.6	Lift or right
52/26	52	26	1337	929	730	10.0	Lift or right
73/53	73	53	1160	1630	970	12.3	Lift or right
73/56	73	56	1094	1414	785	11.1	Lift or right
73/45	73	45	2265	1630	1180	17.8	Lift or right

T thread anchor bar surface with a trapezoidal thread, this design of connection is much stronger and reliable when compared with rope thread, we supply full sizes from T30 to T103.
Thread size: T30, T40, T52, T73, T103, T127, T130.
Thread standard: ISO10208, ISO1720 etc.