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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 : [email protected]

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


    *Non-standard sizes can be specially manufactured to order. Inquire for conditions. *Use the S type (HSS drill/standard product) for metallic plate materials such as a stainless steel plate, steel plate and aluminum and synthetic resin plate. *Use the T type (tungsten carbide/ultra-hard drill [option]) for metallic plate

  • Tap Drill Chart

    Tap Size Cut Tap Drill Roll Tap Drill Minor Ø Major Ø* - Form Tap not available or not standard. Check with Tap Manufacturer for required Drill Size. Title: TapDrill.indd Author: Mike32 Created Date: 3/14/2009 7:03:16 PM

  • Finished Hole Size Tolerances

    The standard tolerance quoted by our supplier varies from 0.003mm to 0.010mm depending on the size of the drill bit. Drill Bit Wear During the process of drilling holes friction is created and this leads to the wear of the drill bit, this is a very small amount (in the microns) and the drill bit is replaced regularly based on the known wear rate.

  • Synthes Screw Reference Chart

    GUIDE WIRE, DRILL BIT and TAP DIAMETER (mm) Guide Wire 1.1 1.25 1.25 1.6 2.8 2.0 2.8 Drill Bit for Gliding Hole--- 3.5 --- 4.5 7.3 --- 7.3 Drill Bit for 2.0 2.7 2.7 3.2 5.0 4.5 5.0 Threaded Hole Tap--- 3.5 4.0 4.5 7.3 7.0 7.3 [311.39] [311.63] [311.59] [311.689] [311.69] [311.689]

  • Taps | McMaster

    With a drill bit point to drive into the workpiece, these tools can drill and tap holes in a single step. Connect them directly to drills, power screwdrivers, and other tools that accept a 1/4" hex shank.

  • Big Gator V

    standard imperial drill sizes match those in a standard 3/8" drill index-everything from 1/8 the grain pushes the drill bit off line. Using this tool first, keeps the drill from bending.

  • Drilling Equipment

    Up for sale are these TWO Drill bits: 4 1/8" TRICONE DRILLING DRILL BITS. OIL, GAS, WATER WELL. TWO DRILL BIT LOT" both for one price) I don't know alot about these bits, one turns, one doesn't. I took several pics, hopefully they will help you out. Thanks for looking and God Bless. PS: I am selling these"as-is" Please ask any questions before

  • B&A

    CONTACT US 800-327-8611 SALES. SPECIALTY TOOLS. Custom Drill Bits - Drill Bit Design. Specialty Cutting Tools Manufacturing. B&A Manufacturing Company welcomes custom made products and engineered drilling applications, fifty plus years of experience qualifies us to design and manufacturer carbide-tipped products for almost any drilling application.


    *Non-standard sizes can be specially manufactured to order. Inquire for conditions. *Use the S type (HSS drill/standard product) for metallic plate materials such as a stainless steel plate, steel plate and aluminum and synthetic resin plate. *Use the T type (tungsten carbide/ultra-hard drill [option]) for metallic plate

  • Wood Drilling

    Over 125 years later, IRWIN is still the leading manufacturer of wood drilling bits and accessories. No matter what wood drilling project you face, IRWIN Tools makes a drill bit that performs the job better. Our mark of quality is stamped right on the shank of our full range of bits.

  • Cable Tool Bits

    Cable Tool Bits. By representing more than one manufacturer, Givens International Drilling Supplies can offer a wide range of designs and joint sizes for the cable tool driller to cut through soft rock, hard rock, sand and gravel.

  • Annular Cutters | Core Drills | Annular Core Cutters

    The BDS annular cutters are available as standard in 30, 55, 75 and 110 mm cutting length. The diameter ranges from 12 mm to 130 mm as standard. BDS also manufactures special lengths or diameters on-demand as per customer request. All BDS Annular Cutters are also available in inches or imperial sizes.

  • HSS Drill Bits at Best Price in India

    Type: Drill Bits. Material: High Speed Steel. Size: 6 Inch. Bit Diameter: 100 mm. Usage/Application: Concrete Drilling. Tensile Strength: 300 Mpa

  • Drill Bits

    Tapered drill with widened flutes for drilling fast, clean pilot holes. HSS Countersinks Precision ground 82° tip for countersinking most machinable metals, wood or plastic

  • impregnated diamond core bits and surface set diamond

    The medium size rock if often cut with a software drill bit and the harder rock always cut with a smaller diamond. Surface set diamond core bits: Surface set diamond core bits are featured with several layers of natural diamond normally on the active places of the bit crown on a particular predetermined pattern.

  • Best USA Made Drill Bits List | 10 Brands & Manufacturers

    American Made Drill Bits List, 10 Best US Manufacturers & Brands: American Made Drill Bits, Drill Hog, KnKut, Melin, Montana Brand Tools, Norseman Drill & Tool, Rocky Mountain Twist, Triumph, Vick Tool Co., WL Fuller, We rated the manufacturers on source of components & quality of workmanship.

  • Drill bit sharpener Power Tools | Bizrate

    United States Manufacturer: DRILL DOCTOR more More like this Find other Power Tools.. heavy-duty steel includes the following bit sizes 9/16in., 5/8in., 3/4in., 7/8in. and 1in. An

  • Water Well Rotary Drill Bits

    Water Well Drill Bits We have been building and supplying drill bits to well drillers for over 20 years. As a patent-holder for many innovations in downhole drilling tools, Drillhead, Inc. continues to develop new, more efficient drilling technologies.

  • Drill Rod | Die Supplies

    An easy way to visualize the difference is to read our Manufacturers Table which shows the steel grade, tolerance, and size of rods offered by the leading North American manufacturers. Steel Grades, Sizes, and Manufacturers; Standard Lengths. Most drill rods are produced in 36″ (915mm) lengths.


    operating hours, our engineers have applied a systems approach to the drill bit tech-nology. Additional features are present on these bits to maximize life and operational penetration rates in challenging environments. BIT SIZE mm inch APPROX. WT. kg / lb X05 X07 X10 X20 X30 X40 X47 X50 X60 X70 159 6 ¼" 20 / 44 X 171 6 ¾" 22 / 49 X X X X

  • Hammer Drill Bits

    Head shape: Multi cutter. From PHP584.35. Compare. ( 1) TE-C (SDS Plus) Metric hammer drill bit. Premium. Premium SDS Plus (TE-C) hammer drill bit with 2-flute helix for drilling anchor holes into concrete. Connection end: TE-C (SDS-plus) Base material: Concrete, Brick, Masonry, Sand-lime block, Natural stone.