Service

At GCM, we adhere to the one-to-one targeted design of high-quality solutions, and use the professional knowledge and full-cycle services of our account managers to help customers carry out project operations, and thoroughly solve customers’ problems in equipment procurement, operating cost accounting, operation management and after-sales service. Distress, thereby improving customer profitability and achieving sustainable business development.

  • Water well drilling rigs, well drilling equipment, how to ...

    The BoreMaster Trailer Mounted Hydraulic Rigs Are Available In A Variety Of Power Configurations From 16HP To 25HP Gasoline And Diesel Engines. They Are Fully Hydraulic High Torque Top Head Drive Units With Forward And Reverse Rotation, Fast And Efficient, And Easily Operated, Everything Is Accessible And Convenient.

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  • How to Select Countersink Drill Bits for Flush-Set ...

    When you top off a pilot hole with a countersink, the screw head seats perfectly: all its surfaces contact the wood with the same amount of force, making for a strong attachment and a clean look. You can hide your flat-head screws with wood plugs if you drill …

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  • Wholesale Screws - Bulk Machine Screws | AFT Fasteners

    Screws are externally threaded fasteners used in every industry from MRO and OEM to electronics, oil & gas, construction and marine. Similar to bolts in many ways, screws are usually differentiated because they do not require a nut. (A few styles such as Hex Head …

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  • Pengo Attachments

    Compact Drilling Drives. Pengo is excited to introduce the new CS Series Drilling Drives: auger drive attachments for the light construction and compact utility...

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  • Porky's Hole Thoughts: Kelly Drive vs. Top-head Drives

    Jul 01, 2012· A look at these two types of drives. Most all drilling machines manufactured today are top-head drives. Many oil-drilling rigs manufactured today are leaning toward top-head drives, mostly because they are safer. However, top-head drives are much slower than kelly drives, also known as rotary table drives.

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  • Rock Drills: Pneumatic/Air, Hydraulic and Gas Powered Rock ...

    Choosing a Rock Drill. First – it is important to understand that a percussion rock drill does not cut through rock. Each blow shatters the rock in front of the bit - the steel and bit then rotates slightly and it shatters new rock while air is blown down the center of the drill …

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  • Reverse Circulation Top Head Drives - Holte Drilling ...

    Holte started machining gears and the RC Top Head Drive was born. Over the last quarter century, our design has matured to be durable, dependable, and straightforward for easy maintenance. Top Heads are customizable for reverse circulation, grout through systems, tilting heads, and more.

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  • Auxiliary Spindle for the Small Lathe

    center drill. Then a cigarette paper is held between the center drill and edge of the upright while you spin the chuck. The cross slide is cranked back until the cigarette paper is pulled or torn by the spinning center drill, as it is pinched between the drill and edge of the upright. At …

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  • 1/2'' Electric Wrench Converter Connector Batch Head Drill ...

    Batch head diameter:12.5mm(1/2") Hole diameter:5mm/0.2" Chuck diameter:10mm/(3/8") Feature 1/2" electric wrench converter,3/8" drill chuck,suitable for electric drill wrench. Made of durable steel, high hardness and wear resistance. Easy to use, small in size, easy to carry. Name:13mm Drill …

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  • Drill Press - Walmart.com

    Product Title WEN 10-Inch Variable Speed Drill Press, 4212 Average Rating: ( 4.4 ) out of 5 stars 18 ratings, based on 18 reviews Current Price $177.88 $ 177 . 88 List Price $204.79 $ 204 . 79

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  • Top 10 Screw Bit Sets of 2019 | Video Review

    With a good drill, the right drill bits, and a set of screw bits, you will be ready to build, hang, or repair a plethora of thing. Most standard drills have an easily-adjusted chuck, which is the slot where a bit is inserted and then secured as the jaws tighten onto the shank of a screw or drill bit. Make sure you select a drill with a chuck ...

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  • TOP DRIVE SYSTEMS - Automated Drilling Rigs, Software ...

    4017AC Capable of fitting into masts as small as 300k lbs, this unit sets the standard for AC top drives installed in small drilling and workover rigs. 80,000 70,000 60,000 50,000 40,000 30,000 20,000 10,000 0 TORQUE CONTINUOUS TORQUE RPM 8050AC A 500-ton unit ideally packaged for value and performance. 80,000 70,000 60,000 50,000 40,000 30,000 ...

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  • Other Metalworking Equipment for sale | In Stock | eBay

    Top Rated Plus. FAST 'N FREE. 131 sold. Watch. New Helicoil 1/4-20 Complete Thread Repair Kit W/12 Inserts Never Opened. 5 out of 5 stars. ... Commander Drill Head. Hossfeld Dies In Metalworking Fabrication Tooling. Rockwell Drill Indiana Metalworking Drilling & Tapping Tooling.

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  • Top Head Drive Drill Rigs For Sale - Sun Machinery

    06/10/2020. Top Head Drive Drill Rigs For Sale . FOR ADDITIONAL INFORMATION CONTACT CHRISTOPHER MURRAY AT (516) 536 7375 OR EMAIL [email protected] FAILING 1750 HOLEMASTER REVERSE CIRCULATING DRILL RIG (Ref#3345T) . Manufactured 1984, mud/flooded reverse, 2400 ft/lb torque tophead, tilts horizontal for making connections, (2) Mission Magnum 3 x 4 x …

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  • Replacement Parts - LittleMachineShop.com

    Replacement Parts. LittleMachineShop.com offers replacement parts for many bench top lathes and mills. We have virtually every part for the mini lathe, mini mill, and micro mill. Choose your dealer and model below to see all the parts for your machine.

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  • Simco Drilling Equipment

    SIMCO® Drilling Equipment, Inc. began designing and building all-hydraulic, long stroke, tophead drive drilling rigs in 1971 at our manufacturing facility located in Osceola, Iowa. Today, SIMCO drilling rigs, drilling …

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  • Drill Parts : eReplacementParts.com

    The best way to find the replacement parts you need for your drill is to know your model number. If you still have the original owner's manual, you can quickly find it there. If not, you'll have to find the number on your drill. You should see an information plate--either on your drill…

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