About Honghe Steel Rock Drill
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About Honghe Steel Rock Drill video introduction
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6 FAQs about [Honghe Steel Rock Drill]
What kind of steel do you use for a percussive rock drill?
H thread steel is the most common steel and bits for contractors using hand held percussive rock drills in the US. The bit threads up to the shoulder of the steel and the percussive shock wave is transferred through the shoulder to the face of the bit.
What is H thread drill steel?
H thread drill steel is usually made from a high carbon steel. It is usually forged, machined, and heat treated to have a wear resistant exterior while retaining a slightly softer core to handle and transfer impact energy. It is a shoulder drive steel which means the skirt of the bit tightens up to the forged/machined shoulder on the steel.
How deep can a drill hole be drilled?
Small holes can be quickly attained with pneumatic drills. Typically from 5/8” to 1” diameter up to 26” depth – but larger/smaller diameters and depths may be available. Cost more than a separate steel and bit. The size of the steel decreases with the bit size - so the column strength decreases as well.
How does a rock drill shank work?
The bit threads up to the shoulder of the steel and the percussive shock wave is transferred through the shoulder to the face of the bit. It is available in all 3 standard rock drill shank sizes - 7 ⁄ 8 x 4 1 ⁄ 4, 7 ⁄ 8 x 3 ¼ and 1 x 4 ¼" and is intended for general duty use.
How do I choose the right steel & bits for my drill?
Step 1: Determine the Shank Configuration on Your Drill. The 1 st step in choosing the right steel and bits for your rock drill and application would be to determine the shank configuration on your drill. The smallest common pneumatic drills are a variation of the CP9 and use a one piece bit/drill steel combination called a Whirly Bit.
What size rock drill shanks are available?
It is available in all 3 standard rock drill shank sizes - 7 ⁄ 8 x 4 1 ⁄ 4, 7 ⁄ 8 x 3 ¼ and 1 x 4 ¼" and is intended for general duty use. Bits are available from 1- 3 ⁄ 8 " to 3" diameter and come in the following configurations: