Tapered Drill Rods

Tapered drill rods are also known as jack hammer drill rods, jack hammer drill steel. The surface hardness of Gdrills' taper drilling rod is HRC50-55. The core hardness is HRC39-45. The shank size of this tapered drill steel is Hex 22mm X 108mm. The length is available from 800 -3600mm. The steel is processed under carburize, which increases wear resistance, surface hardness, tough strength and flexibility, fatigue strength and durability. In a word, carburized drill steel provide an optimal balance of durability, toughness, and cost-efficiency, making them ideal for heavy duty and high performance drilling operations.

These tapered drilling tools are widely applied in small hole drilling, blast hole drilling, stone extracting, rocks splitting, bench drilling, demolition and secondary rock breaking and so on.

11° Tapered Drill Rod Hex 22mm (7/8inch), Shank 22 X 108mm

12° Tapered Drill Rod Hex 22mm (7/8inch), Shank 22 X 108mm

7° Tapered Drill Rod Hex 25mm (1inch), Shank 25 X 108mm

In order to make customers familiar with Gdrills' warranty and claim settlement towards tapered drill steel, Guizhou Gold Drills Equipment herein indicates the warranty terms in details as below.

1. Full compensation shall be made as following condition: Rod breakage when lifespan of the rod used is less than 1/3 of its normal in comparison to the average lifetime of batch rods or samples which Gdrills delivered to the same client under the same working condition (same rock, same drilling machine and same driller).

2. Partial compensation shall be made in accordance with wear rate of rod thread when the rod is used in weathered rock, limestone or other soft rocks and broken.

3. Generally, compensation shall not be made for breakage of rod, of which the thread is worn seriously.

4. Should the same problem occur for initial rods out of any bulk order when customer starts using the rods (i.e. first two pieces of rods prematurely damaged in the same way), please contact us or your suppliers immediately and stop using the remaining products, we will provide timely service and settlement (such as replacing the rods). Otherwise, Gdrills will not bear the responsibility.

Procedure: should the above-mentioned situations (Warranty Conditions) take place, please send the damaged rods in time to Gdrills' technical department. The reply shall be given in one week in compliance with service commitment and handling standard. Distributor or Agent must offer written quality problem report issued by end-user for return shipment of goods. In case other disputes happen, please send the remains of drill rods to our company, and the both parties shall solve the issue by friendly negotiation.

Limitation on Liability. Except as provided for herein, in no event will Gdrills be liable for any indirect ,incidental, special, consequential, punitive or similar damages including, but not limited to, lost profits, loss of data or business interruption losses. In no event will the total, aggregate liability of Gdrills under the Contract exceed the value of the Contract under which liability is claimed. The liability limitations shall apply even if Gdrills has been notified of the possibility or likelihood of such damages occurring and regardless of the form of action, whether in contract, negligence, strict liability, tort, products liability or otherwise. The parties agree that these limits of liability shall survive and continue in full force and effect despite any termination or expiration of any Contract. Any action by Purchaser against Gdrills must be commenced within one year after the cause of action has accrued. No employee or agent of Gdrills is authorized to make any warranty other than that which is specifically set forth herein. The provisions in any specification, brochure or chart issued by Gdrills are descriptive and are not warranties.

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