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Stock Drive Products and Sterling Instrument were founded by engineers, Established in 1960. Bearing Retainers, washers, spacers, Hardware
       


SDP/SI ON-LINE eStore offers: Retaining Rings, Springs, Washers, Bearings Retainers, Cap Screws, Dials, Handcranks, Hand Cranks, Handles, Keys, Knobs, Nuts, Panel Bushings, Pins, E-Rings, Springs, Screw Insulators, Screws, Machine Screws, Set Screws, Shoulder Screws, Thumb Screw Knobs, Shims, Spacers, Standoffs, Thread Rods, Wrenches.

Click on [Inch] or [Metric] to go directly to our eStore and shop online.

 
Products: Gears, Drive Components, Shafting and Shaft Accessories, Bearings, Couplings. Quote Request, Engineering Tools, RoHS Compliant Download, Featured Products and Trade Shows. Buy Online About us:  Stock Drive Products/Sterling Instrument strives to be the best manufacturers of quality electromechanical components & assemblies. Capabilities:  Machinery List, Facility Brochure, Facility Tour, Engineering Tools, RoHS Statement. At Stock Drive Products/Sterling Instrument, our experienced engineering, manufacturing & inspection teams are dedicated to producing a quality component at a competitive price. Catalogs: Request A Catalog & View and Download Catalogs. Contact Us: Directories, Domestic Sales Representatives and International Sales Representatives Home
 
Image enlarged to show detailPhillips Head Shoulder Screw

Shoulder Screws

Phillips Head Shoulder Screws
Metric
Image enlarged to show detailSocket Head Shoulder Screw

Shoulder Screws

Socket Head Shoulder Screws
InchMetric
Image enlarged to show detailSlotted Head Shoulder Screws

Shoulder Screws

Slotted Head Shoulder Screws
InchMetric

Image enlarged to show detailLarge Slotted Shallow Head Screws

Screws

Large Slotted
Shallow Head Screws
Metric
Image enlarged to show detailMachine Screws Stainless Steel

Machine Screws

Stainless Steel Machine Screws
Inch
Image enlarged to show detailMachine Screws Assorted Varieties

Machine Screws

Assorted Machine Screws
Metric

Molded Nylon Machine Screws

Machine Screws

Molded Nylon Machine Screws
Inch
Nylon Molded Machine Screws With Metal Core

Machine Screws

Nylon With Metal Core Screws
Inch
Socket Head Cap Screws

Cap Screws

Socket Head Cap Screws
InchMetric

Image enlarged to show detailCap Screw Molded Socket Head

Cap Screws

Molded Socket Head Cap Screws
Inch
Image enlarged to show detailMolded Hexagonal Cap Screws

Cap Screws

Molded Hexagonal Head Cap Screws
Inch
Image enlarged to show detailRolling Ball Tipped Set Screws

Set Screws

Rolling Ball Tipped Set Screws
Metric

Image enlarged to show detailDiamond Knurled Tipped Set Screws

Set Screws

Diamond Knurled Tipped Set Screws
Metric
Image enlarged to show detailFlat Ball Tipped Set Screws

Set Screws

Flat Ball Tipped Set Screws
Metric
Image enlarged to show detailSet Screws Assorted Varieties

Set Screws

Assorted Set Screws
InchMetric


Allen Wrenches

Wrenches

Allen Wrenches
InchMetric

Hexagonal Wrenches

Wrenches

Hexagonal Nut Wrenches
InchMetric

Thread Rods Metal and Plastic

Threaded Rods

Metal & Plastic Threaded Rods
InchMetric

Image enlarged to show detailHexagonal Nuts

Nuts

Hexagonal Nuts
InchMetric
Image enlarged to show detailNylon Inset Locking Nuts

Nuts

Nylon Insert Locking Nuts
Inch
Image enlarged to show detailHexagonal Locking Nuts

Nuts

Hexagonal Locking Nuts
Inch

Image enlarged to show detailHexagonal Cap Nuts

Nuts

Hexagonal Cap Nuts
Inch

Thumb screw knobs

Knobs

Thumb screw Knobs
InchMetric

Image enlarged to show detailAssembled Thum Screw Knobs

Knob & Thumb Screw Assembly

Inch

Image enlarged to show detailKnurled Thumb Screws

Knurled Thumb screws

Inch

Captive Thumb Screws

Captive Thumb Screw

Inch
Image enlarged to show detailPrecison Knobs

Knobs

Precision Knobs
Inch

Precision Handcranks

Precision Handcranks

Inch
Handles Oval Style

Handles

Oval Handles
Inch
Folding Handles

Handles

Folding Handles
Inch

Round Handles

Handles

Round Handles
Inch
Molded Screw Insulators

Screw Insulators

Molded Screw Insulators
Inch
Image enlarged to show detailShaft Spacers

Spacers

Shaft Spacers
Inch

Image enlarged to show detailArbor Spacers

Spacers

Arbor Spacers
Inch
Image enlarged to show detailLaminated Shim Spacers

Spacers

Laminated Shim Spacers
Inch
Image enlarged to show detailSpacers Assorted Varieties

Spacers

Assorted Spacers
Inch

Image enlarged to show detailOuter Race Shims

Shims

Outer Race Shims
Inch
Image enlarged to show detailArbor Shims

Shims

Arbor Shims
Inch
Image enlarged to show detailArbor Shims

Shims

Thread & Bolt Size Shims
Inch

Image enlarged to show detail Flat Washers

Washers

Flat Washers
Inch
Image enlarged to show detailSintered Bronze Thrust Washers

Washers

Sintered Bronze Thrust Washers
InchMetric

Insulating Washers

Washers

Insulating Washers
Inch

Image enlarged to show detailMolded Shoulder Washers

Washers

Molded Shoulder Washers
Inch
Image enlarged to show detailCounter Finishing Washers

Washers

Counter Finishing Washers
Inch
Image enlarged to show detail Curved Spring Washers

Washers

Curved Spring Washers
InchMetric

Image enlarged to show detailWashers Belleville Spring Washers

Washers

Belleville Spring Washers
Inch
Image enlarged to show detail Wave Spring Washers

Washers

Wave Spring Washers
Inch
Image enlarged to show detail Wave Spring Screw Washers

Washers

Wave Spring Screw Series
InchMetric

Image enlarged to show detail Split Lock Washers

Washers

Split Lock Washers
InchMetric
Image enlarged to show detail Lock Washers

Washers

Lock Washers
InchMetric

Bearing Retainers, washers, spacers, Hardware

Bearing Retainers

Inch

Image enlarged to show detailGeneral Purpose Polymer Washers

Washers

Polymer General Purpose Washers
InchMetric
Image enlarged to show detailPolymer Washers Heavy-Duty

Washers

Polymer Heavy-Duty Washers
Inch
Image enlarged to show detailPolymer Washers High-Temperature

Washers

Polymer High-Temperature Washers
InchMetric

Image enlarged to show detailRetaining Rings, External Bowed Retaining Rings

Retaining Rings

External Bowed Retaining Rings
Inch
Image enlarged to show detailRetaining Rings, Grooveless Retaining Rings

Retaining Rings

Grooveless Retaining Rings
InchMetric
Image enlarged to show detailRetaining Rings, External Retaining Rings

Retaining Rings

External Retaining Rings
InchMetric

Image enlarged to show detailRetaing Rings, Internal Retaining Rings

Retaining Rings

Internal Retaining Rings
InchMetric
Image enlarged to show detailRetaining Rings, E-Rings

Retaining Rings

E-Rings Retaining Rings
InchMetric
Image enlarged to show detailPrecision Dowel Pins

Pins

Precision and Standard Dowel Pins
InchMetric

Image enlarged to show detailRoll Pins

Pins

Roll Pins
InchMetric
Image enlarged to show detailSpirol Pins

Pins

Spirol Pins
Inch
Image enlarged to show detailGrooved Pins

Pins

Grooved Pins
Inch

Image enlarged to show detailTaper Pins

Pins

Taper Pins
InchMetric
Image enlarged to show detailCotter Pins

Pins

Cotter Pins
Inch
Image enlarged to show detailInternal Hitch Pins

Pins

Internal Hitch Pins
Inch

Image enlarged to show detailExternal Hitch Pins

Pins

External Hitch Pins
Inch
Disc Dials

Dials

Disc Dials
InchMetricPress Release
Drum Dials

Dials

Drum Dials
InchMetric

Vernier Drum Dial Sets

Vernier Drum Dial Sets

Inch
vernier and disc dial sets

Vernier & Disc Dial Sets

Inch
Image enlarged to show detail
Precision Plate Indexes

Indexes

Precision Plate Indexes
Inch

Image enlarged to show detail
Precision Drum Dial Indexes

Indexes

Precision Drum Dial Indexes
Inch
Image enlarged to show detailPrecision Disc Dial Indexes

Indexes

Precision Disc Dial Indexes
InchMetric
Image enlarged to show detailPosts for Springs

Posts

Spring Posts
InchMetric


Extension Springs

Springs

Extension Springs
InchMetric
Image enlarged to show detailCompressions Springs

Springs

Compression Springs
InchMetric
Torsion Springs for Spring Powered Reels

Spring Powered Reels

Torsion Springs For
Spring Powered Reels
InchMetric

Image enlarged to show detailRound Standoff

Standoffs

Round Standoffs
Inch
Image enlarged to show detailHexagonal Standoff

Standoffs

Hexagonal Standoffs
Inch
Image enlarged to show detailPanel Bushings

Panel Bushings

Hexagonal Nut Panel Bushings
Inch

Image enlarged to show detailWoodruff Keys

Keys

Woodruff Keys
InchMetric
Image enlarged to show detailMachine Keys

Keys

Machine Keys
InchMetric
Keystock

Keys

Keystocks
Inch

Image enlarged to show detail Routing Tools - Carbide Tipped and Solid Carbide

Routing Tools

Carbide Tipped (figure 1)
Inch

Routing Tools

Solid Carbide (figure 2)
Inch

Note: Prices and specifications are subject to change without notice. Every effort has been made to provide accurate technical and product information. The company disclaims responsibility for any error or omission in the accuracy of the technical and product information published. bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex bearing retainer retainers round handle handles keystock key stock stocks machine keys insulators set spacers lock split allen hex ball bearings ceramic bearing linear thrust needle roller miniature stainless steel spherical plastic frelon lined sleeve inner races ball bearings ceramic bearing linear thrust needle roller miniature stainless steel spherical plastic frelon lined sleeve inner races ball bearings ceramic bearing linear thrust needle roller miniature stainless steel spherical plastic frelon lined sleeve inner races ball bearings ceramic bearing linear thrust needle roller miniature stainless steel spherical plastic frelon lined sleeve inner races ball bearings ceramic bearing linear thrust needle roller miniature stainless steel spherical plastic frelon lined sleeve inner races ball bearings ceramic bearing linear thrust needle roller miniature stainless steel spherical plastic frelon lined sleeve inner races ball bearings ceramic bearing linear thrust needle roller miniature stainless steel spherical plastic frelon lined sleeve inner races ball bearings ceramic bearing linear thrust needle roller miniature stainless steel spherical plastic frelon lined sleeve inner races ball bearings ceramic bearing linear thrust needle roller miniature stainless steel spherical plastic frelon lined sleeve inner races ball bearings ceramic bearing linear thrust needle roller miniature stainless steel spherical plastic frelon lined sleeve inner races