Welcome! You've found the home of the STERLING Drill Grinder, the tool you need for unsurpassed capacity, versatility and precision.Plus it's so simple to use, requiring NO chucks, NO collets, and NO wrenches—even when sharpening different diameter drills.

Giddings & Lewis introduces the Model HR Drill Point Grinder at IMTS '80 and formally announces the development of a new drill point aptly named "The Bickford Point". The Model HR is developed to grind this drill point in one operation and to complement the market already enjoyed by the Model HC.

The Lackmond product portfolio offers a full line of diamond tools and equipment including: saw blades, grinding wheels, core bits, masonry drill bits, tungsten carbide wood and nonferrous blades, concrete saws, tile saws, core drill rigs, and much more. Lackmond products are distributed through the rental, construction supply, hardware, and ...

The drill is mounted in a Drill Holder (3) on a Guide (2), which in turn runs on a Base (1). You start by sharpening the Primary facets. The grinding depth is determined by a setting screw, P. The drill holder is moved forward to a second stop S for grinding the Secondary facets. The Point angle can be set at any angle by turning the guide.

Founded in 1903, L.A. Grinding Company is the largest distributor of industrial knives in the Western United States, in printing, paper converting, plastics, and corrugated industries. Research and development has given L.A. Grinding the ability to provide solutions to complex problems, which are an integral part of our customer's success, providing our customers with an appreciable ...

PURROS Machinery focuses on universal tool grinder and universal cutter grinder development and production, which provides one-stop solution for cutting tool grinding, our universal tool grinder can be used for sharpening drill bits, end mills, R-shaped cutters, R-shaped lathe tools, tapered end mills, gun drill bits, deep hole drill bits, step drills, twist drill bits, screw taps, chamfer ...

Harbor Freight buys their top quality tools from the same factories that supply our competitors. We cut out the middleman and pass the savings to you!

Pointed drill bits make safe, easy work of many projects, so—while it takes a bit of practice to hone them like a pro—there's no better time to learn how to sharpen drill bits than before ...

A twist drill with main curved cutting edges requires a variable semi-point angle χ r along the main edges, increasing from the outer corner of the drill towards the drill point (see Fig. 1).To produce such geometry for a twist drill, Chen and Fuh (1995) have shown that it is necessary to develop a grinding procedure, i.e., a suitable grinding profile, to generate the clearance surface of the ...

Drill Doctor is part of Darex, a 4th-generation family owned company in Ashland, Oregon. For over 40 years we have been creating industry-leading sharpening tools here in the USA. We are over 100 co-workers strong, dedicated to producing high-quality tools .

Drill-Re Sharpening Machine, Model: JD-213,1326, It's the first to research and development"up to down" swinging grinding. The finished drill is sharpest, and the most durable.

Founded in 1903, L.A. Grinding Company is the largest distributor of industrial knives in the Western United States, in printing, paper converting, plastics, and corrugated industries. Research and development has given L.A. Grinding the ability to provide solutions to complex problems, which are an integral part of our customer's success, providing our customers with an appreciable ...

As a leading maker of Deep hole Gun Drill Grinding Machine, PURROS Machinery Co., Ltd remains to develop its online reputation for individual solution and also functional services for manufacturing demands, big and also tiny.

Drill Grinding Attachment - Put new life into old drill bits, putting that brand new, out-of-the-box tip on them quickly and easily. Works great with larger, more expensive bits. Even works on countersinks.

• 4.2/5(5)Get Price

offers a complete range of rock tools for bench drilling, raise boring, coal and mineral cutting, tunneling, trenching, road grading and cold planing. All equipment is designed based on years of research, experience and customer feedback, ensuring that you get the best tool for the job.

A drill is a tool primarily used for making round holes or driving fasteners. It is fitted with a bit, either a drill or driver, depending on application, secured by a chuck.Some powered drills also include a hammer function.. Drills vary widely in speed, power, and size. They are characteristically corded electrically driven devices, with hand operated types dramatically decreasing in ...

Basic Machine Technology: Sharpening Drill Bits by Hand or the Drill Press is part seven of the Basic Machine Technology 10-part training series.. The course teaches students two methods of grinding twist drills. The first method, hand grinding, is performed on a pedestal grinder with the machinist doing all the manipulations by hand.

Select Carbide Case Studies. Glebar's versatile precision grinding machines are workhorses which require a smaller footprint than similar machines yet excel in demanding high production environments where the name of the game is high volume at low cost, with exceptional precision.

DRILL POINT GEOMETRY. by JOSEPH MAZOFF. DRILL POINT GEOMETRY by JOSEPH MAZOFF. Mr. Joseph Mazoff, inventor, member of the Society of Manufacturing Engineers and president of J & A Machinery started his metal crafts career in Pennsylvania as a young apprentice nine years old in a black smith shop in 1926.

Depending on your skill level and range of tasks, you'll soon develop a feel for what drill gadgets work best for you. Here are my favorite drill attachments: Rotary rasp. Rotary rasp. Grind off extra wood with a rotary rasp. It's also great for widening or shaping holes in wood and many plastics. Periodically clean off the rasp with an old ...