Sales Inquiry

Large Ball Shaped Grinding Stone

Variously known as

Variously known as "cupstones," "anvil stones" and .

Variously known as "cupstones," "anvil stones," "pitted cobbles" and "nutting stones," among other names, these roughly discoidal or amorphous groundstone artifacts are among the most common lithic remains of Native American culture, especially in the Midwest, in Early Archaic contexts.

Get Price
Native American Stone Tools by cyberrug

Native American Stone Tools by cyberrug

A Bolo Stone or Egg Stone, no one knows what these egg shaped stones were used for, but they are thought to be part of the Paleo-Indian tool kit, and do not seem to be made any longer by the Archaic Period, this one is from Eastern Tennessee, and like others I have seen, it is dimpled on both ends, and has 3 smoothed areas from grinding, likely .

Get Price
Smooth Egg-Shaped Stone Found In South Dakota - Questions .

Smooth Egg-Shaped Stone Found In South Dakota - Questions .

Jul 06, 2010 · Probably right about the glacier because I was thinking if it were a grinding tool it wouldn't be so totally smooth. But would the rock be isolated if it were glacial? Unfortunately, I lost the rock. I think it must be outside somewhere and hopefully I'll find it so I can get a picture. It is brown, smooth, and shaped exactly like an egg.

Get Price
Ground Stone Artifacts | The Office of the State Archaeologist

Ground Stone Artifacts | The Office of the State Archaeologist

A wide range of prehistoric artifacts were formed by pecking, grinding, or polishing one stone with another. Ground stone tools are usually made of basalt, rhyolite, granite, or other macrocrystalline igneous or metamorphic rocks, whose coarse structure makes them ideal for grinding other materials, including plants and other stones. Native Americans used cobbles found along streams and in .

Get Price
Carved stone balls - Wikipedia

Carved stone balls - Wikipedia

Carved stone balls are petrospheres dated from the late Neolithic to possibly as late as the Iron Age mainly found in Scotland, but also elsewhere in Britain and Ireland.They are usually round and rarely oval, and of fairly uniform size at around 2.75 inches or 7 .

Get Price
Rotary Tool Accessories - Grinding, Sanding, and Finishing .

Rotary Tool Accessories - Grinding, Sanding, and Finishing .

Select a grinding stone to help with sharpening, deburring, and general-purpose grinding on most materials. A sanding drum can help smooth and polish rough edges, and a high-speed cutter can shape, hollow and make tapered holes in soft metal, wood and fiberglass. . Ball Shaped Rotary File (1) Ball Shaped Rotary Rasp (1) Beveled Pointed Rotary .

Get Price
Dremel Rotary Tool Grinding Stones - widgetsupply

Dremel Rotary Tool Grinding Stones - widgetsupply

Dremel rotary tool grinding stones in a variety of shapes and grits. Grinding wheels such as Dremel 541, 88215 and 85422. Find heatless cool wheels and the sought after Arkansas white grinding stones in a variety of shapes. Quick shipping from our warehouse. Discounts and free shipping offered.

Get Price
Ball diamond bur · Hi-Tech Diamond

Ball diamond bur · Hi-Tech Diamond

Hi-Tech Diamond ball-shaped diamond burs are perfect for carving, grinding and pre-forming both hard and soft material such as glass, stones, ceramics, bone and metals. They conveniently fit into a Foredom, Dremel with 3/32″ collet or any flex shaft hand piece that accepts 3/32″ diameter shank.

Get Price
Georgia Grinding Wheel

Georgia Grinding Wheel

Georgia Grinding Wheel is committed to providing the highest quality grinding wheels and abrasives. We supply only 1st quality abrasives products. We have been specializing in engineered custom grinding wheels and abrasives for over 38 years.

Get Price
4 in. 80 Grit Abrasive Ball - Harbor Freight Tools

4 in. 80 Grit Abrasive Ball - Harbor Freight Tools

4 in. 80 Grit Abrasive Ball. Abrasive ball ideal for odd shapes and inside tubes 9 99. . This abrasive ball quickly and effectively scours odd shaped workpieces and inside tubes. The abrasive ball removes rust or scale with ease and leaves your workpiece with a smooth, consistent finish. Scuff ball is ideal for odd shapes and inside tubes;

Get Price
Hardstone - Misc. Indian Artifacts whalens-artifacts

Hardstone - Misc. Indian Artifacts whalens-artifacts

Large Connecticut Game-Stone / Ball Club A large, perfectly symmetrical round Ball in great condition showing no modern damage. The Game-Stone is believed to have been used for games. The larger examples such as this one is believed to have been used for the Flop-Top War Club. An impressive example recovered in the early 1950's at Norwich .

Get Price
Grinding stones worldwide. - Lithic Casting Lab

Grinding stones worldwide. - Lithic Casting Lab

Grinding stones represent one of the largest types of stone tools that were used by ancient cultures. They are actually a primitive form of machine that requires two parts to operate, a hand-held mano and a grinding plate. Grinding stones were every bit as important as a modern appliance might seem today.

Get Price
Grinding Balls & Rods - Mineral Processing & Metallurgy

Grinding Balls & Rods - Mineral Processing & Metallurgy

These balls may be had in two types: a soft ball Brinnell 450+ for large diameter ball mills, and a hard ball Brinnell 600+ for small ball mills. The addition of molybdenum, chromium and manganese provides an excellent microstructure for these grinding balls. Balls are available in 4″, 3½", 3″, 2½", and 2″ sizes.

Get Price
Precision Grinding wheels | Norton Abrasives | United Kingdom

Precision Grinding wheels | Norton Abrasives | United Kingdom

Precision Grinding wheels. . The machine and gear type determine the shape of the grinding wheel. Continuous gear generation, profile grinding, bevel gear grinding, and power honing are the most common grinding processes in gear manufacture. . Most roll grinding wheels are large in diameter (700-1080mm) and thickness (50-150mm). Depending .

Get Price
Variously known as

Variously known as "cupstones," "anvil stones" and .

Variously known as "cupstones," "anvil stones," "pitted cobbles" and "nutting stones," among other names, these roughly discoidal or amorphous groundstone artifacts are among the most common lithic remains of Native American culture, especially in the Midwest, in Early Archaic contexts.

Get Price
Gemstone spheres by OakRocks

Gemstone spheres by OakRocks

A Gemstone Sphere is natural semi precious gemstone material carved, either by hand or machine, into a sphere or ball shape.. Though a sphere is usually perfect, stone spheres may not be. The reason for that is the difficulty in cutting or carving certain rock and mineral materials.

Get Price
Gemstone spheres by OakRocks

Gemstone spheres by OakRocks

A Gemstone Sphere is natural semi precious gemstone material carved, either by hand or machine, into a sphere or ball shape.. Though a sphere is usually perfect, stone spheres may not be. The reason for that is the difficulty in cutting or carving certain rock and mineral materials.

Get Price
ABRASIVE PRODUCTS CATALOGUE - Grinding Wheels

ABRASIVE PRODUCTS CATALOGUE - Grinding Wheels

• suitable grain shape which guarantees a good cutting capacity These requirements are fulfilled to a large extent by synthetic grinding abrasives. The abrasives which the majority of grinding wheels contain are Aluminium Oxide (Al2O3) or Silicon Carbide (SiC).

Get Price
Aluminum Oxide Mounted Grinding Wheels with 1/4 inch Shanks.

Aluminum Oxide Mounted Grinding Wheels with 1/4 inch Shanks.

Purchase these aluminum oxide mounted grinding wheels with 1/4 inch shanks from Victor Machinery today. . The photo for this category contains profiles for all listed mounted grinding wheels and is quite large; it may take some time to load. Quantity Price Model . 1-pointed tree shape, 1-ball shape, 2-cone shape pointed nose, & 1-cone shape .

Get Price
Grinding Stone | eBay

Grinding Stone | eBay

Find great deals on eBay for Grinding Stone in Metalworking Grinding Wheels. Shop with confidence. Find great deals on eBay for Grinding Stone in Metalworking Grinding Wheels. . Longer Pointed Needle / Bullet /Oval Tip/Round Ball / Cylinder Head Diamond Grinding Head. Grinding surface size: 30 13mm. May You Need Oxide Flap Disc Grinding Wheel .

Get Price
stone ball project - YouTube

stone ball project - YouTube

Mar 26, 2009 · Shaping Australian granite with hand and power tools to make a ball. Captured with SCR88 Spyglasses. 3GP file converted to AVI using Zamzar Zamzar.

Get Price
Native American Stone Tools by cyberrug

Native American Stone Tools by cyberrug

A Bolo Stone or Egg Stone, no one knows what these egg shaped stones were used for, but they are thought to be part of the Paleo-Indian tool kit, and do not seem to be made any longer by the Archaic Period, this one is from Eastern Tennessee, and like others I have seen, it is dimpled on both ends, and has 3 smoothed areas from grinding, likely .

Get Price
7 Facts About Tungsten Carbide Burrs and How To Use Them

7 Facts About Tungsten Carbide Burrs and How To Use Them

Carbide Ball Burrs. Use a ball or spherical shaped carbide burr to create concave cuts in your material or to shape and hollow out an area. Small carbide ball burrs from as tiny as 0.5mm in diameter are ideal for intricate carving projects. Many wood carvers, stone carvers and metal engravers use these carbide carving burrs in a hobby drill .

Get Price
Mill (grinding) - Wikipedia

Mill (grinding) - Wikipedia

Attrition between grinding balls and ore particles causes grinding of finer particles. SAG mills are characterized by their large diameter and short length as compared to ball mills. The inside of the mill is lined with lifting plates to lift the material inside the mill, where it .

Get Price
Dremel Rotary Tool Grinding Stones - widgetsupply

Dremel Rotary Tool Grinding Stones - widgetsupply

Dremel rotary tool grinding stones in a variety of shapes and grits. Grinding wheels such as Dremel 541, 88215 and 85422. Find heatless cool wheels and the sought after Arkansas white grinding stones in a variety of shapes. Quick shipping from our warehouse. Discounts and free shipping offered.

Get Price
Burs for High Speed Handpiece - Turbo Carver

Burs for High Speed Handpiece - Turbo Carver

We Sell the Highest Quality High Speed Carving Burs Made! Burs are an important aspect of any rotary tool. . All burs are friction grip dental burs are 1/16 inch shaft size. Larger image below shows the shape of the bur, the smaller view below is more to scale. . Large Round For shaping and texturing in wood, and engraving metal. .

Get Price
Black & White Stones - Cylinder Head Abrasives

Black & White Stones - Cylinder Head Abrasives

Black & White Stones: . Ball Shaped Mounted Stones: Made of the same gray aluminum oxide material as our popular porting stones. . Used to shape and dress porting stones and bench grinding wheels. A MUST! to shape porting stones and to keep the desired shape of the stone. PS501:

Get Price
Precision Grinding wheels | Norton Abrasives | EMEA

Precision Grinding wheels | Norton Abrasives | EMEA

Precision Grinding wheels. . The machine and gear type determine the shape of the grinding wheel. Continuous gear generation, profile grinding, bevel gear grinding, and power honing are the most common grinding processes in gear manufacture. . Most roll grinding wheels are large in diameter (700-1080mm) and thickness (50-150mm). Depending .

Get Price
The Stone Balls (Spheres) of Costa Rica - world-mysteries

The Stone Balls (Spheres) of Costa Rica - world-mysteries

Mar 08, 2016 · Hundreds of stone balls have been documented in Costa Rica, ranging in size from a few centimeters to over two meters in diameter. Almost all of them are made of granodiorite, a hard, igneous stone. These objects are not natural in origin, unlike the stone balls in Jalisco, Mexico that were described in a 1965 National Geographic article.

Get Price
ABRASIVE PRODUCTS CATALOGUE - Grinding Wheels

ABRASIVE PRODUCTS CATALOGUE - Grinding Wheels

• suitable grain shape which guarantees a good cutting capacity These requirements are fulfilled to a large extent by synthetic grinding abrasives. The abrasives which the majority of grinding wheels contain are Aluminium Oxide (Al2O3) or Silicon Carbide (SiC).

Get Price

related information

  • Large Foreign Mining Crusher
  • Large Jaw Crusher Quality Of Someone S Good
  • Large Grey Stone Fire Surrounds
  • Quarry Large Scale Stone Cutter Machine
  • Large Feeding Size Series Hammer Mill Clay Crusher
  • Large Equipment Architectural
  • How Much Is A Large Stone Crusher
  • Large Jaw Crusher Installation Technology Solutions
  • Large Sand Mining Machine
  • Large Limestone Blocks For Sale
  • China Coal Output Large Mine
  • Large Cement Mixers Australia
  • Large Gold Mining Trommels Sale
  • Loooking For Large Custom Built Crusher Fully Self Propelled Usa
  • Sweden Large Crusher
  • Individual Large Crusher
  • Crush Large Amount Of Rock
  • Gold Mining Equipment Large Scale
  • Large Scale Stone Crusher Teeth
  • Large Ball Mill Assembly Pdf