Autotronics, Inc. - Joplin, MO
Manufacturer, Custom Manufacturer
ISO 9001:2004 & AS9100 certified designer & manufacturer of miniature friction clutches including electrical, mechanical, slip, spring-return, failsafe, bi-directional, duplex & triplex. Torque to 2 1/2 lbs. Products are used in aerospace, defense, commercial & industrial applications. Special connector types, power capacities, environmental requirements, the addition of gears, etc. available per customer request. Custom designs are a specialty. Woman owned small business.
www.autotronicsinc.com/clutches.htm

Helander Products, Inc. - Clinton, CT
Manufacturer, Custom Manufacturer
Manufacturer of sheave & miniature spring clutches. Spring clutches include basic clutch, overrunning clutch, on-off clutch, single or fractional revolution clutch, single or fractional revolution with adjusting collar, single or fractional revolution with over-travel stop. Specifications include torque ranging from 10 in.-lb. to 250 in.-lb.
Brand Names: Tiny-Clutch
www.tinyclutch.com/

POLYCLUTCH, Div. of A&A Manufacturing Co., Inc - North Haven, CT
Manufacturer, Custom Manufacturer
Manufacturer of special and miniature clutches. Types of clutches include mechanical and pneumatic slip and one way and toothed jaw clutches. Mechanical slip clutches are designed to meet torque requirements ranging from 10 in. lbs. to 500 in. lbs. and shaft sizes from 3/8 in. to 1 1/4 in. Air actuated or pneumatic slip clutches that can be adjusted during operation, are designed to meet torque requirements of 300 in. lbs. and shaft size of 5/8 in. Knob and lever operated jaw-type clutches allow adjustment and release between shaft, gear, pulley and roller. Applications include force, tension and torque control, overload protection, indexing, position retention hinge and soft start/stop. Made in USA.
Brand Names: Polyclutch
www.polyclutch.com/slip-clutches/clutches/m...

MSC Industrial Supply Co. - Melville, NY
Distributor, Custom Manufacturer
Supplier of 450,000 products from 2,500 mfrs.: cutting/machine/hand/power tools, MRO supplies, abrasives, fasteners, precision instruments, machinery, electrical supplies, safety equipment, HVAC, welding, hose, tubing, fittings, material handling, pumps, power transmission, janitorial; same day shipping
www.mscdirect.com

DieQua - Bloomingdale, IL
Distributor, Manufacturer, Custom Manufacturer
Distributor of standard & custom torque limiting zero backlash miniature clutches including miniature metal bellows couplings. Available in rated speeds up to 10,000 rpm with flexible stainless steel bellows & aluminum/steel/stainless steel hubs. Miniature metal bellows couplings feature misalignment compensation, variable torsional rigidity & low inertia. Applications include measurement systems, optical encoders, potentiometers, small servo motors, stepper motors & tachometers. PDTA & PTRA affiliated. Torque limiting mechanical clutches are available with 12 month warranty from date of delivery.
Brand Names: R+W
www.diequa.com/products/rw/series_mk.html

Machine Components Corp. - Plainview, NY
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of standard & custom miniature clutches. Features include integral gears in materials including phosphor bronze, same or different CW or CCW torques, torque calibration ranges from 0.5 to 20 oz., same torque at breakaway as at high slip velocities, hub for pinning & jaw clamp mountings & corrosion resistance. Applications include torque limiters for miniature gear trains & tension control for tape drives.
machinecomp.rtrk.com/?scid=2706056&rl_alt=h...

Miniature Clutches Products
	Spring Wrapped Slip Clutch – PB Series

SEPAC, Inc. - Elmira, NY
Manufacturer, Custom Manufacturer
Manufacturer of special clutches including indexing & feeding clutches, miniature clutches, one-way clutches, plate clutches, & solenoid operated clutches. Features include high torque to size ratio, no-slip connection, & zero idle torque. Accessories include gears, sprockets, pulleys, & couplings. Custom products also available. Applications include printing presses, packaging machinery, & other machines.
www.sepac.com/Clutches/Clutches/

PIC Design - Middlebury, CT
Manufacturer, Custom Manufacturer
Manufacturer and custom manufacturer of coupling, friction and miniature clutches. Types also include shaft mounted, slip, roller and adjustable clutches. Available in various sizes. Items are available in stock.
pic-designcatalog.com/Images/pdfcat/PIC-Des...

Perry Tool & Research Co. - Hayward, CA
Manufacturer, Custom Manufacturer
Contract manufacturing of miniature clutches for OEM applications, including precision gears, mechanical parts, assemblies, soft magnetic components, timing pulleys, and self-lubricating bearings. Capabilities include complex close tolerances, high volume production runs, sinter harden steel and multi-level parts. Ferrous and non-ferrous metals, soft magnetic metals, soft magnetic composites (SMC) and low expansion alloys are available for use in the powdered metal process. Available secondary operations are CNC machining, coining, heat treating, oil and resin impregnation, CMM inspection, metallurgical inspection, SQC/SPC, CAD/CAM manufacturing, and in-house tooling. RoHS compliant.
perrytool.rtrk.com/?scid=2318884&rl_alt=htt...

Island Components Group, Inc. - Bohemia, NY
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified lean manufacturing. Manufacturer & designer of electromagnetic miniature clutches available in standard & wafer sizes with 5, 8,11,13 & 18 frame sizes. Specifications of magnetic & spring clutches include 2.25 oz. in. to 180 oz. in torque, 120 ohms to 300 ohms coil resistance & 4.0 milliseconds to 42.0 milliseconds response time at 24 VDC input power. Clutches are suitable for constant tension or slip-type applications, copying machines, air conditioning & packaging equipment, sewing machines & automated machine tools. Hysteresis & industrial clutches are also available. Meets MIL-I-45208 Spec.
www.islandcomponents.com/Precision-Brakes.a...

Stock Drive Products / Sterling Instrument - SDP/SI - New Hyde Park, NY
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 & AS 9100B certified custom manufacturer of clutches including miniature clutches. Types of clutches include adjustable speed, ball bearing, bi-directional, cam, centrifugal, constant tension, countershaft friction, mechanical, disc, drum, duplex friction, flange, hysterisis, electromechanical & coupling clutches. Pulley, pump, reversing, roller, slip, spring, sprocket, tension control & V-belt clutches are also available.
www.sdp-si.com/web/html/BrakeClutch.htm

Placid Industries, Inc. - Lake Placid, NY
Manufacturer
Manufacturer of miniature clutches. Torque range is 0.1 to 5 oz.-in., with a 3/16 in. shaft. For precision tension & torque control.
www.placidindustries.com/

Ogura Industrial Corp. - Somerset, NJ
Manufacturer
Manufacturer produces a series of miniature clutches that are used in consumer products such as copy machines and printers. Units can be produced with custom gears. Clutches come preassembled as one-piece units and are produced in extremely high volume. Worldwide manufacturer in the world of electromagnetic clutches with production capacity over 30 million per year. Products are produced in 14 manufacturing plants worldwide and conform to ISO and other world quality standards.
www.ogura-clutch.com

Motion Industries, Inc. - Birmingham, AL
Distributor, Manufacturer, Custom Manufacturer
Distributor of a broad line of electrical, mechanical & fluid power transmission components for all types of equipment, including drive belts, chains, couplings, accumulators, air motors, filters & AC/DC inverters, supplies include Duff-Norton, Rockwell & Gates.

Hilite Industries, Inc. - Dallas, TX
Manufacturer, Custom Manufacturer
Air Conditioning Clutches, Engine Driven Fan Blades, Hydraulic & Industrial Electro-Magnetic Clutches, Brake Valves, Pulleys

Enco - Farmingdale, NY
Distributor, Custom Manufacturer
Metalworking & Woodworking Tools, Machines & Supplies

CBM Industries - Taunton, MA
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified manufacturer of miniature clutches & brakes including roller clutches & precision in-line slip clutches. Other types includes precision & standard slip clutch assemblies, ultrasonic sensors, magnetic clutches & clutch couplings, power-on flange mounted brakes, power-off parallel plate brakes, power supplies for electromagnetic clutches & magnetic particle clutches & brakes. Customize machining services available. Meets FDA guidelines.

Accu-Clutch Company, Inc. - Columbia, CT
Manufacturer, Custom Manufacturer
Permanent magnet clutches for tensioning, torque limiting. .015-400 in-lbs./0.63-6.00" diameter. Slip rated for 60,000 plus hour life. No power required. Rare-earth magnets for highest torque. Hysteresis, eddy-current, magnetic particle.

Reell Precision Mfg. Corp. - Saint Paul, MN
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified manufacturer & designer of standard & custom package torque solutions including miniature clutches. Features include 2.5 watts to 6 watts power for engagement, 15 lb. in. to 75 lb. in. total load, outside dia. 1.2 in. to 1.3 in. & 1.75 in., shaft length 1 in., no slippage or disengagement & can operate on filtered or unfiltered DC power. Clutches allow torque only in the direction in which they wrap down to allow overrunning & shock absorption. Clutches have options including 1/4 in. bore, cross pin shaft, 12 or 24 VDC voltage, electrical connection of molded connector & 8 in. leaded coil. Applications include paper feed system, copiers or printers, finishing, mailing & packaging equipment & ticket & receipt dispensers.

Precision Torque Control, Inc. - Midland, MI
Manufacturer
Manufacturer of miniature brakes & clutches for tension control applications. Permanent magnet brakes & clutches have stainless steel construction, bolt circles & adjustable knurled ring for torque setting & unaffected by power interruption or power fluctuation & are available with hollow bores for mounting & brakes with solid shaft outputs. Magnetic particle brakes & clutches have compact design, stainless steel construction, bolt circle for mounting horizontally & vertically & torque dependent on circuit current & independent of slip speed. Miniature clutches & brakes can be used for wire processing, labeling, textile processing, healthcare equipment, foil processing, metric bores & keyways & fixed torque units. One year warranty available.

Young's Industrial Corp. - Bay Shore, NY
Distributor, Custom Manufacturer
Distributor of industrial miniature clutches. Clutches are available in different sizes & materials. Services include design of automated circuits, controls panels & hose assemblies, valve & cylinder repair, speed reducer repair, rebuilding electronic systems, machine building & repair & pump repair (seal conversion).
Brand Names: DANA, Ding Dong, Dodge, Horton, Stearns, Warner Electric

Wellman Products Group - Solon, OH
Manufacturer, Custom Manufacturer, Service Company
ISO/TS 16949:2002 certified. Global manufacturing company: friction materials, stampings & P/M parts for OEM & aftermarket customers. Metallic, semi-metallic, organic, paper & graphitic friction materials engineered for dry or wet brake, clutch & transmission applications.

Inertia Dynamics, LLC - New Hartford, CT
Manufacturer, Custom Manufacturer
Electromagnetic friction clutches, clutch couplings, clutch/brake packages & modules, solenoid activated & mechanical/wrap spring clutches, custom designs & modifications, standard product up to 200 lbs. ft. torque.

Nexen Group, Inc. - Vadnais Heights, MN
Manufacturer, Custom Manufacturer
Manufacturer of industrial linear motion products & components including miniature clutches. Types include friction clutches, tension control clutches & tooth clutches. Friction clutches include sealed bearing clutches, open bearing clutches, dual plate clutches, quad plate clutches, flange mounted IEC & NEMA clutches, foot mounted IEC & NEMA clutches, metric open bearing clutches & multi-disc clutches. Tooth clutches are available in metric & inch sizes. Metric size tooth clutches are available in flange mount, pilot mount, pilot mount enclosed, pilot mount positioning, pilot mount positioning enclosed, spring engaged & with internal sprocket styles. Clutches are available in different sizes & specifications.

Dynacorp, Div. of Inertia - New Hartford, CT
Manufacturer, Custom Manufacturer
Manufacturer of miniature coupling clutches for controlling loads that are belt, chain or gear driven. Specifications include size from 3 in. to 10 in., static torque from 60 in. lbs. to 3600 in. lbs. & maximum hp at 1800 rotations per minute are from 1/3 hp to 15 hp. Coupling clutches can be used to control & couple in-line shafts between the prime mover & load. Styles available include spline drive & pin drive.