R Thread Self Drilling Anchor Bolt

R thread hollow anchor bar is the body of a self-drilling anchor, as a hollow steel tube with an outer round thread, hollow anchor has the sacrificial anchor bit connected at one side, plate and nut connected at the other; two hollow anchor bars could be connected together via a coupling, for duties that requiring longer anchors.

 

Thread Size: R25,R32, R38, R51

Thread Direction: Left hand

Thread Standard: ISO 10208 / ISO 1720 / other international standards

 

Size Â		O.D	I.D	Sectional Area	Ultimate Load	Yield Load	Agt(%)	Weight
		(mm)	(mm)	(mm²)	(Kn)	(Kn)	Â	(kg/meter)
R25	R25N-14	25.0	14.0	290	200	150	＞10%	2.30
R32         Â	R32L-22	32.0	22.0	350	210	160	＞10%	2.80
	R32N-21	32.0	21.0	370	280	230	＞6%	2.90
	R32N-18.5	32.0	18.5	430	280	230	＞10%	3.40
	R32S-17.5	32.0	17.5	440	360	280	＞6%	3.50
	R32S-15	32.0	15.0	520	360	280	＞10%	4.10
	R32SS-14	32.0	14.0	520	405	350	＞10%	4.10
R38   Â	R38N-21	38.0	21.0	620	500	400	＞6%	4.90
	R38N-19	38.0	19.0	700	500	400	＞10%	5.50
	R38S-18	38.0	18.0	700	560	460	＞10%	5.50
R51       Â	R51L-38	51.0	38.0	760	550	450	＞6%	6.00
	R51L-36	51.0	36.0	970	550	450	＞10%	7.60
	R51N-36	51.0	36.0	970	800	630	＞6%	7.60
	R51N-33	51.0	33.0	1070	800	630	＞10%	8.40
	R51S-30	51.0	30.0	1160	930	730	＞10%	9.10

 

 

Features

Stable quality;

Thread is compatible with ISO and other international standards;

Good mechanical performance.

 

Applications

Pre-supporting, micropiling for foundation underpinning, slope anchorage, etc.

 

 

 

 

 

Q: Is it all right to make customer's own brand name?

A: Yes, we have a flexible business model, providing OEM services

 

Q: Are you a manufacture or trading company?

A: Yes, we have 2 plants to manufacture a wide range of drilling products, including DTH drilling tools, TH (top hammer) drilling tools, Self-drilling anchoring (SDA) tools and drag bits. Meanwhile, for some items we do not produce in our own plants, we are authorized distributors by some brands, like G brand of TH (top hammer) drill rods. So we are a one-stop supplier of a wide range of rock drilling products.

 

Q: Can you do the design for us?

A: Yes, our R&D department is able to provide you complete service.

 

Q: How can I get a sample to check your quality?

A: You can test the quality of our products with a trial order.

 

Q: Is the sample free，and How long can I expect to get the sample?

A: We do not offer free samples. However, your trial order will be offered to you for testing by air or sea.

 

http://www.metanchors.com/