Contact Form

Send your inquiry to Wuxi Rolls Excavator Parts Factory,China manufacturer.

Contact Info

Strict quality process control and management ensures
product quality and accountability.


Email : ROLLSBR[email protected]


Worktime : 08:30-17:30 (Beijing Time)


  • Auger Attachment

    Multiple bit types and teeth enable you to find the right auger to match your digging conditions. The direct drive 15 offers a higher range of speed for drilling holes quicker through softer to moderate soil conditions such as sand, dry material, and light dirt so the hole being dug is cleaned out better.

  • Auger Bits in Inch Measurements for Machine and Hand Drilling

    STAR-M Auger Bits in Inch Measurements. 1 main cutter. 1 spur cutter. Center lead screw. Six-sided shaft end on bits Code 312350 to 312363 with different shaft sizes, see the table. The big bit, Code 312365 (2 inch) have a round 12 mm shaft, that is slightly flattened on three sides, to allow them to be used in a drill press with a three

  • Choosing Drill Steel and Rock Drill Bits

    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. When you move to the bigger hand held drills, there are only 3

  • Earth Auger Bits | Premier Attachments

    Earth Auger Bits. Over the years, Premier Attachments has manufactured tens of thousands of earth augers to meet the needs of contractors throughout the USA. To meet the needs of a variety of drilling conditions we offer the six styles of augers: Standard Duty, Aggressive Duty, Tree Auger, Heavy-Duty Rock, High Torque Dirt, High Torque Rock

  • Auger Bits in Inch Measurements for Machine and Hand Drilling

    STAR-M Auger Bits in Inch Measurements. 1 main cutter. 1 spur cutter. Center lead screw. Six-sided shaft end on bits Code 312350 to 312363 with different shaft sizes, see the table. The big bit, Code 312365 (2 inch) have a round 12 mm shaft, that is slightly flattened on three sides, to allow them to be used in a drill press with a three

  • H & D Steel and Bits

    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.

  • Auger Bit vs. Spade Bit: Which One to Choose?

    Depth. Auger bits and spade bits are very different when it comes to their capacity to drill deeply into lumber. Auger bits are the masters in this domain, with most auger bits being able to continue drilling as deep as their shank allows. It is not uncommon for an auger bit to be able to drill more than 15 or 20 inches in depth, even while

  • LONGRUN Spiral Auger Drill Bit for Planting

    Auger drill bit pros 1. This auger bit size is ideal for planting bulbs and bedding plants. 2. Long lasting auger bid that is enamel-coated for maximum durability and use. 3. Can drill and make holes in all types of soil. 4. Has a non-slip hex-drive bit and will fit any 3/8-inch drill. 5. Solid steel shaft won't bend or twist out of shape

  • Auger Bits and Drill Bits

    Auger Bits and Drill Bits. HolzMaster Double-Cut Ultra Smooth Augers - a long lasting unique spurred edge design. A bit that requires less power from your drill, leaving smooth hole walls. For further unhindered exit of drill shavings, the bit is additionally Teflon coated. There is no better wood auger bit in the trade.

  • Earth Auger Drill Bits with Increased Durability | STIHL USA

    These Earth Auger Bits are custom designed for increased durability. STIHL Auger Bits are built and designed with durability in mind. Every bit design is tested, by STIHL, in a variety of soils across the country. Bit heads are cast from a single piece of heat-treated alloy for outstanding durability and drilling performance.

  • ROTARY DRILLING BITS AND DRILL STRING TOOLS

    rotary drilling bits and drill string tools mining 9 rr440 availability selection chart bit size approx. wt. mm inch kg/lb 07qx2 17qx2 20qx2 25qx2 30qx2 35qx2 37qx2 39qx2 40qx2 45qx2 50qx2 60qx2 70qx2 171 6 ¾ 22 / 49 x x 200 7 ⅞ 35 / 77 x x x 2299 43 / 94 x x x x x 2519 ⅞ 60 / 130 x x x x x x x x 27010 ⅝67 / 148 x x x x x x x x x

  • Auger Bits and Drill Bits

    Auger Bits and Drill Bits. HolzMaster Double-Cut Ultra Smooth Augers - a long lasting unique spurred edge design. A bit that requires less power from your drill, leaving smooth hole walls. For further unhindered exit of drill shavings, the bit is additionally Teflon coated. There is no better wood auger bit in the trade.

  • Bor

    Bor-It Auger. Horizontal Auger - available in sizes 4 to 72 in diameter. Our full line of 4 through 72 diameter heavy-duty auger delivers the ultimate in long lasting dependability. Constructed with 1026 DOM (Drawn over Mandrel) tube for uniform wall thickness throughout the length of tube. 5/16 wall thickness for 2 1/4 hex

  • Bor

    Bor-It Auger. Horizontal Auger - available in sizes 4 to 72 in diameter. Our full line of 4 through 72 diameter heavy-duty auger delivers the ultimate in long lasting dependability. Constructed with 1026 DOM (Drawn over Mandrel) tube for uniform wall thickness throughout the length of tube. 5/16 wall thickness for 2 1/4 hex

  • H & D Steel and Bits

    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.

  • Choosing the Best Masonry Drill Bits: review and comparison table

    The masonry drill bit looks like a twist drill bit, but it additionally has an insert usually made of brazed into the steel tungsten carbide. The insert provides the cutting edges and makes it robust, reliable and long-lasting (wiki).Masonry bits are used with an SDS or hammer drill.

  • High Quality Augers | Horizontal Directional Drilling

    Designed for soft ground, hard rock and soil conditions anywhere in-between, our standard augers use ½” thick steel flighting. For added strength, the flights are overlapped and triple welded where the seams meet the tube. Our augers are made with drive sizes 2-1/4”, 3”, 4” and 5” hex. Our standard auger length is 10’, but we can

  • High Quality Augers | Horizontal Directional Drilling

    Designed for soft ground, hard rock and soil conditions anywhere in-between, our standard augers use ½” thick steel flighting. For added strength, the flights are overlapped and triple welded where the seams meet the tube. Our augers are made with drive sizes 2-1/4”, 3”, 4” and 5” hex. Our standard auger length is 10’, but we can

  • Earth Auger Drill Bits with Increased Durability | STIHL USA

    These Earth Auger Bits are custom designed for increased durability. STIHL Auger Bits are built and designed with durability in mind. Every bit design is tested, by STIHL, in a variety of soils across the country. Bit heads are cast from a single piece of heat-treated alloy for outstanding durability and drilling performance.

  • H & D Steel and Bits

    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.

  • Earth Auger Bits | Premier Attachments

    Earth Auger Bits. Over the years, Premier Attachments has manufactured tens of thousands of earth augers to meet the needs of contractors throughout the USA. To meet the needs of a variety of drilling conditions we offer the six styles of augers: Standard Duty, Aggressive Duty, Tree Auger, Heavy-Duty Rock, High Torque Dirt, High Torque Rock