Grooved Rock Bolt

Model:	TRFT16 18 20 22
Brand:	TONRY
Origin:	Made In China
Category:	Industrial Supplies / Machine Hardware / Nuts & Bolts
Label:	Grooved Bolt , rock bolt , bolt
Price:	-
Min. Order:	500 pc

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Product Description

Grooved Rock Bolt :

TIGHTLOK Grooved Bolt is made of hot rolled bar with several forged grooves at one end,usually used for hardrock support.

1)FEATURES

(1)Groove device will make resin mixing easily and completely.

(2)Fast and easy installation by mechanized tools.

(3)Used together with resin cartridge for permanent support.

(4) With Pin Nut device, nut can help driving the rod to mix the resin.

2)Installation Procedures

1.Drill a hole with punch according to the diameter of rock bolt .

2.The diameter of hole is 6-12mm bigger than the rock bolts.

3.Before inserting the rock bolt ,the hole should be blown and cleaned by compressed air .

4.Insert the appropriate resin cartridge ,pushing the cartidge by hand or machine with rock bolt ,ensure reach to the top of borehole ,then break the cartidge .

5.Rotate and pushing the rock bolt ,one the plate reach the roof ,spin bolt and ensure that mixing the resin completely ,The time of mixing should be strictly controlled according to the requirement of resin cartidge .Screw the nut tightly when time is up.

3)PROPERTY

ITEM NO	DIAMETER	MASS	YIELD	TENSILE	ELONGATION	YIELD	TENSILE	ELONGATION	YIELD	TENSILE	ELONGATION
GSIGB16	16mm	1.58 kgs/m	≥71kn	≥95kn	≥16%	≥88kn	≥112kn	≥15%	≥106kn	≥132kn	≥12%
GSIGB18	18mm	2.00 kgs/m	≥91kn	≥122kn	≥16%	≥113kn	≥143kn	≥15%	≥136kn	≥170kn	≥12%
GSIGB20	20mm	2.47 kgs/m	≥113kn	≥153kn	≥16%	≥141kn	≥178kn	≥15%	≥170kn	≥212kn	≥12%
GSIGB22	22mm	2.98 kgs/m	≥138kn	≥187kn	≥16%	≥173kn	≥218kn	≥15%	≥207kn	≥260kn	≥12%
GSIGB25	25mm	3.85 kgs/m	≥180kn	≥244kn	≥16%	≥226kn	≥285kn	≥15%	≥271kn	≥339kn	≥12%