Dapra Corporation

Phone: 860-242-8539
Toll-Free: 800-243-3344
Fax: 860-242-3017

Please visit: Dapra Corporation

Mailing Address:
66 Granby St.
Bloomfield, CT 06002 US

A Special Message from Dapra Corporation

Dapra Provides Milling Tools and Technical Support to Improve Customers' Bottom Lines

Toroid End Mills and Shell Mills, including RHINO-CARB Inserts

Toroid End Mills and Shell Mills, including RHINO-CARB Inserts

RHINO-CARB Inserts Maximize Versatility of Toroid Cutters

Dapra's RHINO-CARB™ CNC-pressed insert line features four high-performance geometries – Button, High-Feed, Square and Octagonal – in a range of edges, base grades and coatings. Designed for outstanding metal removal rates and tool life.

Achieve Superior Surface Finishes with Ball Nose Tools and Inserts

Achieve Superior Surface Finishes with Ball Nose Tools and Inserts

Ball Nose Line Offers the Best in Overall Value

Dapra’s Ball Nose tools and inserts offer fine finishes, long tool life and cutting edge economy. Hardened-steel cutter bodies ensure close tolerance finishing. Standard, oversized, undersized, carbide core and solid carbide shanks. Flat bottom and back draft models.


90˚ Precision with Square Shoulder End Mills and Shell Mills

90˚ Precision with Square Shoulder End Mills and Shell Mills


90˚ Square Shoulder Mills Offer Extreme Metal Removal

Achieve a true 90˚ cut with a smoother finish; positive axial and radial insert geometry provides maximum metal removal capabilities. Dapra’s Square Shoulder line includes variety of insert radii for varying corner requirements. Cutter options include extended reach end mills, carbide core and more.    


Product Categories of Dapra Corporation

  • Clamps & Fixturing Devices
  • Deburring Tools (Machine Tool Spindle-Mounted)
  • End Mills
  • Fixturing Systems
  • Identification Systems
  • Indexers & Rotary Tables
  • Inserts, Indexable (Carbide, etc.) & Tool Inserts
  • Laser Marking Systems
  • Lasers, CO2
  • Lasers, Nd: YAG, Pulsed
  • Marking & Engraving
  • Marking Tools
  • Milling Cutters
  • Pedestal Type Fixtures & Tombstone Blocks
  • Toolholders
  • Vises & Vise Jaws
  • Vision Systems
  • Workholding, Custom

Trade Names



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As seen in PM

Dapra's 12-mm Cutter Bodies and Inserts Minimize Runout
Dapra Corporation’s 12-mm cutter bodies and inserts to its line of 90-degree square shoulder precision mills.

Dapra's Ballnose Inserts Offer Long Tool Life
Dapra Corporation’s precision ground ballnose inserts with PCD tips afford excelent tool life for milling soft, nonferrous materials such as aluminum and graphite, the company says.

Lasers Go Beyond Making Their Mark
Today the laser plays a vital role in many areas, including research, communication, industry, medicine, environmental care and, of course, manufacturing.

Mini-Feed Cutters and Inserts Allow Extreme Feed Rates
New Mini-Feed cutters and inserts–part of Dapra Corporation’s high-feed Rhino-Feed line–allow for feed rates as much as 5 times faster than normal in light-DOC applications.The Mini-Feed line is optimized for cuts of 0.500” to 1.000” diameter and a maximum depth of 0.030”, with inserts featuring three usable edges.

Precision Grinding and Deburring Tools
Biax hand-held, air-powered tools include lightweight grinders and variable-speed deburring machines. The SRD 3-55/2 and SRD 6-30/2 are ideal for grinding and shaping.

Expanded Toroid Cutting Tool Line
Dapra Corporation has almost doubled their offering of toroid cutting tools by adding 12 shell mills in ODs from 2" through 8". For maximum versatility, four insert geometries--round, square, high feed and octagonal--are available for toroid cutters. The new octagonal inserts have eight-sided geometry for excellent general face milling capabilities, the company says.

Prolong Tooling Life With New Tip Option
Dapra Corporation now offers optional PCD tips for its Backdraft and XPET inserts. Useful for mold and die operations, the company’s PCD-tipped Backdraft inserts are available in diameters of 1/2" and 3/4", with 1/32" and 1/16" corner radii and a usable leg length of approximately 1/8". The XPET inserts are designed for use with 90-degree square shoulder mills.

Modular Marking Machine
The Multi 4 marking machine is a modular marking machine available in four versions: a fixed benchtop version for small parts, a portable version for heavy or voluminous parts, a mixed (portable or benchtop use) for all sizes of parts and an integrated version for automatic marking in production lines. The marking machine can mark all types of parts and any surface that can be engraved, including treated or untreated steel, aluminum, stainless steel, copper, bronze, brass, plastics, wood and ceramics whether flat, concave or convex. The machine can mark figures, letters, logos, special characters and data-matrix of varying heights and depths with up to 1,000 possible settings and with no splitting of the material.

New V.P. of Sales
Michael Bitner has been appointed V.P. of sales and product management at Dapra Corporation.