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  3. AMMCO 903084

AMMCO 903084 Knurled Thumb Screw Brake Lathe Lock Knob

903084 Ammco 3084 Knurled Thumb Screw For Brake Lathe - Lock Knob

( Brand: Ammco ), ( Manufacturer Part Number: 903084 ), ( Part Type: Screw Brake Lathe Lock ), ( Set Or Single Item: Single Item )

Review AMMCO 3084 Knurled Thumb Screw Brake Lathe Lock Knob

Introducing the AMMCO 903084 3084 Knurled Thumb Screw, a crucial component designed specifically for use with brake lathe lock knobs. This fastener is engineered to ensure a secure and reliable connection, making it an essential addition to any automotive repair or maintenance project.

The AMMCO 903084 3084 Thumb Screw boasts a knurled design, which provides improved grip and control during the installation and removal process. Its hexagonal head shape is compatible with standard socket wrenches, allowing for easy and efficient application of torque.

This fastener is manufactured from high-quality steel, ensuring both strength and durability. Its zinc coating protects against corrosion and rust, extending the life of the component and maintaining its functionality even in harsh environments.

Measuring 1.25 inches in length, this thumb screw is the perfect size for various brake lathe applications. Its thread size of M12 x 1.5 ensures compatibility with a wide range of automotive components and systems.

The AMMCO 903084 3084 Knurled Thumb Screw is more than just a replacement part. It is an investment in the longevity and performance of your vehicle's braking system. By choosing this premium-quality fastener, you can trust that your brake lathe lock knob will remain securely fastened and ready for your next maintenance or repair project.

Pros and Cons of buying a AMmco 903084 3084 Knurled Thumb Screw for Brake Lathe Lock Knob

The AMmco 903084 3084 knurled thumb screw is a crucial component used in the process of turning brake drums on a brake lathe. Let's examine the potential advantages and disadvantages of purchasing this part.

Pros:

1. Durable: This thumb screw is made from high-quality materials, ensuring it can withstand the rigors of continuous use in the garage or shop.

2. Easy to Grip: The knurled design on the thumb screw provides a secure and comfortable grip for users, making the process of tightening or loosening the lock knob simpler and more efficient.

3. Versatile: The AMmco 3084 thumb screw is compatible with various brake lathes and is a common replacement part for many vehicles, making it a practical and convenient choice for mechanics and DIY enthusiasts.

4. Affordable: The cost of this thumb screw is generally competitive within the automotive parts industry, making it an accessible option for those in need of a replacement.

Cons:

1. Potential for Over-Tightening: Since the thumb screw is used to secure the lock knob, there is a risk of over-tightening, which could potentially damage the brake drum or other components.

2. Requires Additional Tools: To install or remove the thumb screw, a socket wrench or a similar tool is necessary, which may not be convenient for all users.

3. Limited Brand Compatibility: While the AMmco 3084 thumb screw is a popular choice, it may not be the only option for specific brake lathes or vehicles, limiting the brand compatibility.

Conclusion:

The AMmco 903084 3084 knurled thumb screw offers several advantages, including durability, ease of use, versatility, and affordability. However, potential drawbacks include the risk of over-tightening and the requirement for additional tools. Ultimately, the decision to purchase this thumb screw depends on the user's specific needs, preferences, and budget.

Recommendation:

If you are in the market for a reliable and practical thumb screw to use with your brake lathe, the AMmco 903084 3084 knurled thumb screw is an excellent choice. Its durability, ease of use, and compatibility with various brake lathes make it a wise investment for mechanics and DIY enthusiasts.

Details:

AMMCO #3084 OR #903084 KNURLED THUMB SCREW FOR BRAKE LATHE - LOCK KNOB VERY GOOD USED CONDITION SOLD AS IS SEE PICTURES, PICTURES.

part #: 903084 prices

  • $10.50-$12.95

specifications shopequipm:

  • brand: Ammco
  • mpn: 903084
  • part type: Screw Brake Lathe Lock
  • set or single item: Single Item

returns shopequipm:

  • policy: No Returns

general shopequipm:

  • Automotive Tools Supplies > Shop Equipment Supplies > Brake Lathes
  • condition: Used

offer shopequipm:

  • started: February 8, 2026
  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • sold: 0

seller shopequipm:

  • # reviews: 1354
  • rating: 97.2%
  • city: Cleveland, Ohio

payments shopequipm:

  • credit card: Mastercard
  • cash
  • check
  • wallet: Paypal
  • other
  • money order

shipping shopequipm:

  • class: Standard
  • type: Fixed
  • transit: 4-10 Days
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx
  • cost: $0.00
part type: screw brake lathe lock, set or single item: single item,
category: auto parts > tools supplies > shop equipment supplies > brake lathes, sku: 14803554848624633,
Ammco 903084 Is Similar To:
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4 offers $10.50–$12.95 USD
  • Used. Offer #1 priced at $10.75 + $0.00 shipping estimate = $10.75* total. 314 649 zero three seven three. Item for sale is (1) Ammco 3084 Knurled Lock Knob Thumb Screw.FREE SHIPPING
  • New. Offer #2 priced at $12.95 + $0.00 shipping estimate = $12.95* total. "NEW GWR DESIGN". Ammco 3084 Knurled Thumb Screw.FREE SHIPPING
  • Used. Offer #3 priced at $10.50 + $0.00 shipping estimate = $10.50* total. SOLD AS IS - SEE PICTURES.FREE SHIPPING
  • Offer #4 priced at $12.05 + $14.62 shipping estimate = $26.67* total. +$14.62 shipping

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