AccuRounds - Avon, MA
Custom Manufacturer
Lean manufacturing capable, AS9100B & ISO 9001:2008 certified custom manufacturer of mechanical parts & components including taper mandrels. Taper mandrels are fabricated in different materials such as aluminum, brass, bronze, copper, high temperature steel, stainless steel, titanium, cobalt, nickel, plastic, exotic metals & specialty alloys. Capabilities include concurrent design engineering, prototyping, machining, CNC Swiss screw machining, CNC milling, CNC turning, grinding & inventory management. Kanban & JIT delivery services are available.
www.accurounds.com/industries-overview.htm

Positrol Workholding - Cincinnati, OH
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of mandrels including arbors. Madrels are available with size ranging from 0.25 in. to 6 in., expansion ranging from 0.014 in. to 0.060 in. & actuating force ranging from 2500 lbs. to 40,000 lbs. Types of mandrels include push on, hydraulic membrane, jaw, gear & collet arbors. Single, double, slow & torque arbors are also available. Applications include internal work holding, gripping in blind bores, rough turning operations, grinding, turning & inspection. Mandrels are suitable for piston, defence, automotive, jet engine & oilfield industries.
www.positrol.com/positrol-workholding.html

Brandywine Abrasives - Norristown, PA
Manufacturer, Custom Manufacturer
Custom manufacturer of diamond & CBN tools including taper mandrels for cutting hardest materials. Types also include mounted & round point, router, slotted, countersink, ball, round cylinder, mounted wheel & ball mandrels. Suitable to cut hardened steel, brake linings, glass, carbides, graphite, carbon, ceramics, refractories, ferrites, rubber, fiberglass, tile, gemstones & bricks.
www.brandywineabrasive.com/whlsBldsmndrl.ht...

Tormach - Waunakee, WI
Distributor, Manufacturer
Custom manufacturer of personal CNC milling machinery. CNC machinery specifications range from 300 rpm to 4500 rpm, 1.5 hp & 65 ipm & cuts plastics, aluminum, steel, iron & stainless steels. CNC milling machinery accessories include 3 mode lathe that can be used as a manual bench top lathe, CNC lathe, or combination CNC lathe/mill, digitizing probe & tool setter, machining vise, high speed spindle, tapping heads, machine arm PCNC stands & rotary products. CNC machinery is suitable for short run & prototype production for research, education & hobby applications.
www.tormach.com

Superior Cincinnati - Cincinnati, OH
Manufacturer
Manufacturer of lathe & taper mandrels & parallel grip collet chucks "S" style, turret lathe parallel grip collet chucks, pull to actuate dead length chucks, "B" style dead length chucks, 5C, 16C & 3J pullback collet chucks, "S" style pullback chucks & duplex collet chucks. Chucks open & close .06 in. (1.52 mm) from nominal dia. Parallel gripping provides clamping force across the bar.
www.positrol.com/superior-cincinnati.html

Horberg Industries, Inc. - Bridgeport, CT
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of aircraft equip.; machine work service

The Broach Masters, Inc. - Auburn, CA
Manufacturer, Service Company
Manufacturers Of Precicion Gear & Spline & Special Broaches

Massey Industries - Houston, TX
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 manufacturer of tapered mandrels or expansion mandrels, which allows for work with openings that vary in sizes. The shaft & sleeve of the mandrel have corresponding tapers that are made of hardened steel.

Accu-Cut Diamond Tool Co., Inc. - Norridge, IL
Distributor, Manufacturer, Custom Manufacturer
Manufacturer Of Diamond Bore Sizing Tools & Spindled Machinery Systems With Automation & Gaging To Provide Turnkey Systems For Precision Geometry & Finishes Of Bores

Glen Carbide, Inc. - Carnegie, PA
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified. Manufacturer of standard & custom designed tooling including mandels for ferrous & non-ferrous drawing manufactured to close tolerances with highly polished surface finishes.

General Tool & Supply Company, Inc - Attleboro, MA
Distributor, Custom Manufacturer
Distributor of mandrels including taper & tungsten carbide mandrels. Types include expanding mandrels & lathe mandrels. Lathe mandrels are made of hardened & ground tool steel. Made in the USA.
Brand Names: K.O. Lee

Grainger Industrial Supply - Locations
Distributor
Distributor of mandrels made from a wide range of materials including plastic, steel & tungsten carbide. Types include taper, ball bearing, flap disc, mini & bore polisher. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.

Climax Metal Products Company - Willoughby, OH
Manufacturer, Custom Manufacturer
Shaft Collars, Shaft Bushings, & Shaft Couplings

Alliance Precision Machine & Mfg., Inc. - Edgewater, FL
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of expanding, precision & taper mandrels. Other products include flex shaft grinders & scribers. Capabilities include CNC machining, CNC turning, CNC milling, CNC drilling & tapping, manual machining, welding, assembly & special packaging.

Dura-Wound, Inc. - Washougal, WA
Manufacturer
Automatic Filament Winding Machines For Fiberglass Pipe Making

Celtic Manufacturing - Augusta, GA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of bend, clamp, pressure, wiper dies & mandrels, mandrels shafts & mandrels ball segments. Rotary draw bending tools.

Falls Tool Co. - Iowa Falls, IA
Manufacturer
Hardened & Ground