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CONTINUOUS RIM CORE BIT

 

Continuous Rim Core Bit
MAROON FLYER.pdf
Adobe Acrobat document [826.8 KB]
  • GRIZZLY DIAMOND MASONRY CORE BITS, SEGMENTED TURBO
  • GRIZZLY RING SAW BLADE
  • EARLY ENTRY GREEN CONCRETE BLADES
  • GRIZZLY TURBO SEGMENTED BLADE

 

CALL FOR MORE INFORMATION

800-444-4180

Geotechnical Products

 

            Hoffman Diamond Products manufactures many types of mining bits for coring shallow holes. The types of bits include surface set, impregnated, polycrystalline diamond (PCD) and carbide. They also manufacture core catchers and reaming shells. Surface set bits are available in semi-round, step, spiral, and face discharge configurations.  Their geotechnical bits drill for a variety of formations from extremely abrasive to non-abrasive and faulted to solid.  Bit are specifically design to drill in many rock types including hard shale, limestone, granite, serpentine, dolomite, basalt, diorite, gabbro, gneiss, chert, rhyolite, quartzite, and sandstone.

 

Construction Products

 

            Hoffman Diamond Products manufactures saw blades and thin wall coring bits for the sawing and drilling of concrete, asphalt, granite, marble, brick, block, tile and other construction materials. Saw blades sizes can range from 6’ to 60” in diameter and coring bits sizes can range from 1/2” to 48” in diameter. Hoffman excels in small to medium production runs offering customers the capability rapid prototyping of diamond tools for sawing or drilling required by  unique one of kind construction or architectural projects.

 

Industrial Products

           

            Hoffman Diamond Products manufacturing an array of diamond metal bonded tools for the sawing, drilling, reaming and grinding of glass, fused silica, fiberglass, ferrites, alumina, zirconium, quartz, porcelain, sapphire, and many other ceramics throughout industry. Products include large diameter blades, grinding pads for Blanchard grinding, and close tolerance coring bits.

Construction Products

 

FEATURING OUR NEW HIGH PERFORMANCE 50MM U-NOTCHED SEGMENTS.

 

Today after more than 105 years, Hoffman Diamond is proud to remain a privately held, and American owned company.  Hoffman give you over 100 years of experience in the design and manufacture of diamond tools to solve your toughest problems.

 

The construction industry demands a variety of bonds for diamond sawing and drilling tools. Diamond saw blades and bits cut or drill concrete, asphalt, brick, block, tile, granite and marble. Diamond tools have proven to be the most cost effective way to penetrate these materials.

 

The Grizzly Line is Hoffman's trademark for the construction supply and rental industries blades. These wet and dry blades are for smaller, hand-held saws and grinders and are designed for equipment operating at less than 18 horsepower.

 

CURED CONCRETE BLADES

 

Cured Concrete Blade Specifications

 

Material Guidelines

  • C10 - Fast cutting, concrete with hard aggregates - river gravels or fling aggregates
  • C20 - Fast cutting, concrete with moderate to heavy steel and hard aggregates - river gravels or flint aggregates
  • C30 - General purpose, concretes with all aggregates
  • C40 - General purpose, concrete with dense limestone aggregate
  • C50 - Long life, concrete with soft limestone aggregate and abrasive sand

 

 

OPTIONAL VERTICAL DROP SEGMENTS


Vertical Drop Segments (VDS) or kickers are used
on cured concrete, asphalt and green concrete blades
to retard core undercutting. VDS is available in 3
levels of undercut protection: Standard Protection
available at no charge; Extra Protection or Maximum
Protection available at a slight nominal charge.

 PRO 1400 SERIES  PRO 1200 SERIES  PRO 1000 SERIES  PRO 800 SERIES
 0.460" diamond depth with an overall  segment height of 0.545"  0.390" diamond depth with an overall segment height of 0.475"  0.320" diamond depth with an overall segment height of 0.405"  0.250" diamond depth with an overall segment height of 0.335"
 Our highest segment height and diamond concentration for exceptionally long blade life  Same high quality as our Pro 100 Series blade with a taller segment for longer life  High quality and long life blade suitable for tough, professional applications  High quality blade for fast cutting in a variety of applications
 Excellent in hard aggregates on high hp saws  For medium and high hp saws For medium and high hp saws  For low to medium hp saws

ASPHALT/CONCRETE, ASPHALT, AND GREEN CONCRETE BLADES

Asphalt/Concrete, Asphalt, and Green Concrete Blade Specifications
 Asphalt/Concrete
  • AC10 - designed for sawing concrete with light asphalt overlay (more concrete/less asphalt)
  • AC20 - designed for sawing concrete with heavy asphalt overlay (less concrete/more asphalt)
Asphalt
  • A10 - designed for fast cutting in hard asphalts
  • A20 - designed for general purpose, medium to hard asphalts
  • A30 - designed for general purpose, soft more abrasive asphalts
Green Concrete
  • G10 - designed for general purpose sawing green concrete containing medium to hard aggregates
  • G20 - designed for general purpose sawing green concrete containing medium to medium hard aggregates
  • G30 - designed for sawing green concrete with soft aggregates and abrasive sand
 PRO 1200 SERIES  PRO 1000 SERIES  PRO 800 SERIES
 .0390" diamond depth with an overall segment height of 0.475"  0.320" diamond depth with an overall segment height of 0.405"  0.250" diamond depth with an overall segment height of 0.335"
 Same high quality as our PRO 1000 Series blade with a taller segment for longer life  High quality and long life blade suitable for tough, professional applications  High quality blade for fast cutting in a variety of applications
 For medium and high hp saws  For medium and high hp saws  For low to medium hp saws
 

WALL SAW AND HAND SAW BLADES

 

Sandwich Segment

 

  •  Faster cutting by maintaining blade core side clearance throughout the active cutting life of the blade.

 

  • Improve blade tracking in the cut helping to minimize blade deflection.

 

  • Longer blade life than conventional segment by preventing blade core binding from lack of side clearance.

 

Wall Saw and Hand Saw Blade Specifications

 Pro & Pro Plus Series
  • Pro Series - standard diamond concentration best suited for lower torque air saws
  • Pro Plus Series - higher diamond concentration best suited for higher torque hydraulic saws
Wall Saw (50mm) split segments
  • WN10 - concrete with hard to medium hard aggregates
  • WN30 - concrete with medium aggregates
  • WN50 - concrete with limestone aggregates and abrasive sand

Pro 1200 & Pro Plus 1200 Series

  •  0.390" diamond depth with an overall segment height of .0475
  • Pro Plus 1200 Series for longer life on higher torque hydraulic saws
  • Pro 1200 Series for longer life on lower torque air saws

CORE BITS

PRO 800 Orange Series

Designed for speed and footage in wet drilling applications involving light to moderate steel.
  • B10 - Hard Aggregate , Fast Drilling
  • B30 -  General Purpose
  • B50 -  Asphalt/Block, Long life

Standard driilling depth is 14" on core sizes up to 6-1/2". Other drill depths are available on request. Core bits 1/2" to 1-1/2" have 5/8"-11 hubs. Core bits 1-3/4" and up have 1-1/4"-7 hubs.

NOTE: ALL DIAMETERS ARE NOMINAL

 

PRO 1000

BLACK SERIES

Designed for speed and footage in wet drilling applications involving moderate to heavy steel.
  • B10 - Hard Aggregate, Fast Drilling
  • B30 - General Purpose
  • B50 - Asphalt/Block, Long Life

LARGER DIAMETER BITS UP TO 48" ARE AVAILABLE IN EITHER THE PRO 800 OR PRO 1000 SERIES UPON REQUEST

PRO 1200
BLUE
SERIES
Designed for very tough wet drilling applications involving heavy steel and hard aggregates.
  • B10 - Hard aggregate, Fast Drilling
  • B30 - General Purpose
PRO 1400
GOLD
SERIES

 
Designed for smaller diameter holes in the most demanding wet drilling applications involving very heavy steel or extremely hard aggregates.
  • B10 - Hard Aggregate, Fast Drilling
  • B30 - General Purpose
 
PRO 1000
Pre-stress
GREEN
SERIES

 
Designed with a solid crown and narrow slotted waterways to resist segment failure when cutting pre tension wire./

CORE BITS

 

 

Pro 800 Core Bits

 

Pro 1000 Core Bits

 

Pro 1200 and Pro 1400 Core Bits

          

Pro 1000 Pre-stress and Dry Pro Core Bits

Core+Bit+Catalog.pdf
Adobe Acrobat document [1.7 MB]

REFRACTORY & INDUSTRIAL PRODUCTS

 

Grinding Heads & Wheels

 

Hoffman's Heavy Duty and Premium Blades and Grinding Heads are top-of-the-line production tools. These tools are specifically designed and manufactured for the professional who demands precision cutting and grinding with a long life expectancy.

 

 

     

 

METORAM (CERAMICS) CORING BITS

 

 

Hoffman Metoram core bits are designed with waterways for heavy duty drilling of high density ceramics, ferrites, fused cast refractories and zirconia. Bits are furnished with threaded adapters and a standard core length of 1½" 

 

 

GLACERAM (GLASS) CORING BITS 

 

 

 

Hoffman Glaceram diamond bits are impregnated, continuous crown bits. They are designed for precision drilling, glass, ceramic, quartz, porcelain, tile etc. They are furnished with threaded adapters and a standard drilling length of 1½" 

 

MINING, GEOLOGICAL, & GEOTECHNICAL PRODUCTS

 

IMPREGNATED BITS
Impregnated+bits.pdf
Adobe Acrobat document [154.1 KB]

Designed for deep hole drilling where it is important and economical to keep the bit in the hole as long as possible. Hoffman diamond has developed a new series of matrices and manufacturing techniques to produce a new series of impregnated bits. This series includes types designed to drill a complete range of rock conditions.

Developed for customers who core shallow holes into rock, the Hawk offers a heavy concentration and depth of impregnation comparable to many higher priced bits. Contact us for our recommendations.

SURFACE SET BITS
Surface+vSet+Bits.pdf
Adobe Acrobat document [141.5 KB]

 

CONDOR SURFACE SERIES SET

 

 

 

 

The Condor Series is generally used in softer rock formations. Hoffman offers a complete range of coring bits, reaming shells, casing shoes/bits, and non-coring bits for any size tooling.

 

 

SEMI ROUND

An all purpose design. Ideal for most formations.

 

STEP DESIGN

Stabilizes drilling and increases penetration in hard formations.

 

SPIRAL DESIGN

Fast penetration for soft shales and sandstones.

 

FACE DISCHARGE

Discharge ports at the face increase core recovery by reducing sample erosion.

CASING SHOES

 

Tungsten carbide Casing Shoes for softer formations.
 

Sawtooth - Aggressive cutting speeds in softer formations.
 

Crackerjack - Moderate cutting speeds in medium formations.

Popcorn - Universal application for soft to medium formations.

 

 

 

Casing Shoes where diamonds are needed:
 

Impregnated -Universal application for hard to very hard formation.
 

Surface Set - Moderate cutting speeds in hard formations.

PCD PRODUCTS

 

In keeping with Hoffman's strategy to be at the cutting edge of diamond bit and tool technology, the application of polycrystalline diamond compacts was an early priority. PCD tools are generally run on drills with higher torque and lower RPM than Surface Set or Impregnated Bits
 

 

The Hoffman Sales and Technical Personnel will be pleased to work with you in producing full hole and coring products that will meet your particular needs

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