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Bolt, Shoulder, 3"/8X3/8" (Coats 8301016)

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  • $15.09

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Upgrade & Restore Your Wheel Balancer's Structural Rigidity

The Bolt, Shoulder, 3"/8X3/8" is a high-tensile structural fastener designed to secure motor brackets, piezo sensor plates, or main bearing housings inside professional wheel balancers.

Vibrations from balancing heavy wheels can place immense shear force on structural bolts, causing standard hardware to stretch, thread-strip, or loosen. This high-grade bolt ensures rigid mechanical assembly.

📋 Factory Service Bulletin Guidance:

Update Date: May 2007
Subject: APX90 Horizontal Tool Slide Stop and Gib Back-up Bar

After documentation release and prior to product release, the following items were added to the APX90. Therefore they are not in the current APX90 Parts I.D. Manual. Stop Block p/n 85000417 Mounting Bracket p/n 85000419 Stop/Release Lever p/n 85000418 Spring Shoulder Bolt p/n 85000420 Flat Washer p/n n/a Compression Spring p/n 929195 Pivot Shoulder Bolt p/n 8301016 Horizontal Tool Slide Stop Assembly and Stop Block Gib Back-up Bar p/n 85000408 Gib Horizontal Tool Slide Gib Back-up Bar

Machine Location:

This fastener is used in the balancer motor mounting plate, bearing housing flange, or protective hood switch assembly.

Key Features & Specifications

  • Grade 5 / Grade 8 Steel: High-yield structural steel engineered to absorb extreme vibrational shear stress.
  • Corrosion Inhibiting Plating: Protected with a thick zinc-plated finish to resist garage chemicals and humidity.
  • Rolled Precision Threads: Rolled threads provide maximum engagement and lock holding torque permanently.

Complete Machine Compatibility

This universal replacement part is documented and verified to fit the following Coats® equipment models:

  • Coats 1000 / 1000D Balancer
  • Coats 1001 & 1001Sc Balancer
  • Coats 6401 Balancer
  • Coats 700 Ss Balancer
  • Coats 850 Ss Wheel Balancer
  • Coats 950, 1025, 1050, 1055 Balancer
  • Coats APX Rim Clamp Tire Changer
  • Coats Ibs 2000 Wheel Balancer
  • Coats Kit 85000440, Lift Accessory

Frequently Bought Together / Related Parts

These drawing-adjacent parts connect directly next to this part on your parts breakdown and assembly drawings:

🔧 Pro Installer Tip:

Always apply a drop of medium-strength blue threadlocker (such as Blue Loctite) to motor and bearing mount bolts to prevent them from vibrating loose over thousands of high-speed spin cycles.

Alternative / Cross-Reference Part Numbers: SVI BW-8301-016 | Coats 8301016 | Distributor AM8301016

AMMCO and COATS are registered trademarks of The Coats Company. AEPN Inc. is not associated in any way with The Coats Company, Inc. Any names, symbols, numbers, and descriptions are used for reference purposes only. It is not implied that any part listed is the product of these manufacturers.

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