Brake Lathe Carbide Inserts, Positive Rake Carbide Bit Replacement for Pro-Cut 50-742, Fits Brake Lathes, 10-Pack - MegaMotion
$47.97
The MegaMotion Brake Lathe Carbide Inserts (10-pack) are designed for machining and resurfacing cast-iron brake rotors, removing rust, wear, and lateral runout with cutting depths of up to 0.020″ per side.
Made from micro-grain tungsten carbide, these inserts offer resistance to heat, wear, and mechanical shock during professional brake service. Their positive-rake geometry, combined with an integrated chipbreaker, promotes clean cuts and efficient chip control during machining.
- Replacement inserts specifically designed for brake rotor resurfacing on lathes.
- Positive rake geometry with molded chipbreaker for smooth, controlled cutting.
- Micro-grain tungsten carbide that resists heat, wear, and mechanical shock.
- Three indexable cutting edges per insert, extending tool life and reducing tooling costs.
- Includes 10 cutting inserts, ideal for high-volume professional service shops.
Designed for rotor resurfacing and cast-iron machining, these inserts are compatible with Pro-Cut brake lathes, specifically as a replacement for reference 50-742. Before ordering, verify insert geometry and compatibility with your lathe’s tool holder.
This is an aftermarket replacement part. Brand, model, and part-number references are used solely for compatibility purposes.
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Description
Designed for machining and resurfacing cast-iron brake rotors, removing rust, wear and lateral runout with cutting depths up to 0.020 in per side. Positive rake geometry and an integrated chipbreaker promote clean cuts and efficient chip control. Verify insert geometry and holder compatibility before installation. This is an aftermarket replacement part; brand names, models and part numbers are used only as compatibility references. MegaMotion
• Replacement carbide lathe inserts designed for brake lathe rotor resurfacing with positive rake geometry and molded chipbreaker for smooth cutting.
• Micro-grain tungsten carbide carbide bit resists heat, wear and mechanical shock during professional brake service.
• Three indexable cutting edges per insert help extend tool life and reduce tooling cost while maintaining consistent rotor finishes.
• Designed for brake rotor resurfacing, cast iron machining and brake lathe service. Verify insert shape and dimensions before ordering for proper fit with compatible tool holders.
• Includes 10 brake lathe cutting inserts for automotive service equipment, wheel service tools and professional repair shops.
Quick Comparison
| Brake Lathe Carbide Inserts, Positive Rake Carbide Bit Replacement for Pro-Cut 50-742, Fits Brake Lathes, 10-Pack - MegaMotion remove | Brake Lathe Silencer & Chip Deflector – Clip-On, Double Thick –Premium Replacement Part 50-703 Compatible with ProCut Brake Lathe Models 220, 238, 1330 – MegaMotion remove | Drive V Belt Fits Ammco Brake Lathe Parts 940141, 40141. Fits Rels & Ranger remove | Brake Lathe Silencer Clamp & Chip Deflector – Premium Replacement for Ammco Brake Lathe Parts 1175, 1180, Hunter 175-185-2, Fits Ranger & Accu-Turn remove | 9.25" Brake Lathe Silencer Rotor Band 2-Pack – Rubber Band Kit for Brake Rotor Resurfacing for Non-Vented Rotors, Anti-Chatter Brake Lathe Accessory – Replaces Ammco 6922/906922 – MegaMotion remove | Spindle Boot Replacement for Ammco 3085, Ammco Brake Lathe Parts, Polyethylene Lathe Spindle Cover - MegaMotion remove | |
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| Name | Brake Lathe Carbide Inserts, Positive Rake Carbide Bit Replacement for Pro-Cut 50-742, Fits Brake Lathes, 10-Pack - MegaMotion remove | Brake Lathe Silencer & Chip Deflector – Clip-On, Double Thick –Premium Replacement Part 50-703 Compatible with ProCut Brake Lathe Models 220, 238, 1330 – MegaMotion remove | Drive V Belt Fits Ammco Brake Lathe Parts 940141, 40141. Fits Rels & Ranger remove | Brake Lathe Silencer Clamp & Chip Deflector – Premium Replacement for Ammco Brake Lathe Parts 1175, 1180, Hunter 175-185-2, Fits Ranger & Accu-Turn remove | 9.25" Brake Lathe Silencer Rotor Band 2-Pack – Rubber Band Kit for Brake Rotor Resurfacing for Non-Vented Rotors, Anti-Chatter Brake Lathe Accessory – Replaces Ammco 6922/906922 – MegaMotion remove | Spindle Boot Replacement for Ammco 3085, Ammco Brake Lathe Parts, Polyethylene Lathe Spindle Cover - MegaMotion remove |
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| SKU | MM-0075 | MM-0050 | MM-0072 | MM-0062 | MM-0055 | MM-0070 |
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| Price | $47.97 | $39.93 | $29.97 | $34.97 | $12.93 | $39.97 |
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| Weight | N/A | N/A | N/A | N/A | N/A | N/A |
| Dimensions | N/A | N/A | N/A | N/A | N/A | N/A |
| Additional information | ||||||
| Description | The MegaMotion Brake Lathe Carbide Inserts (10-pack) are designed for machining and resurfacing cast-iron brake rotors, removing rust, wear, and lateral runout with cutting depths of up to 0.020" per side.Made from micro-grain tungsten carbide, these inserts offer resistance to heat, wear, and mechanical shock during professional brake service. Their positive-rake geometry, combined with an integrated chipbreaker, promotes clean cuts and efficient chip control during machining.
| The MegaMotion Clip-On Silencer with Chip Deflector is a premium aftermarket replacement for part #50-703, designed specifically for Pro-Cut on-car brake lathes, compatible with models 220, 238, and 1330. Its double-thick dampening pad effectively reduces chatter, noise, and vibration during rotor resurfacing.Its adjustable spring-tension system ensures a secure fit over the cutting head, while the integrated deflector directs hot metal shavings away from the work area, improving safety and cleanliness. Ideal for standard-size vented rotors, this silencer is built in the USA for long-lasting, professional-grade performance.
| The MegaMotion Brake Lathe V Belt is a heavy-duty belt designed to transfer power from the motor to the spindle during rough and finish cuts in rotor and drum resurfacing. Its Poly-V profile construction, with 6-rib EPDM and synthetic cords, ensures stable grip, heat resistance, and consistent power transfer.This belt is compatible with Ammco 3000, 4000, 4000B, 4100, 7500, and 7700 equipment, as well as RELS 2000 and 2000XL lathes, and Ranger RL-8500 and RL-8500XLT. It can be used as a cross-reference to part numbers 40141, 940141, 40073, 40142, and BL-10182.
| The MegaMotion Brake Lathe Silencer Clamp with Chip Deflector is the professional solution for eliminating high-frequency chatter during rotor resurfacing, ensuring a mirror-like finish on brake discs. Whether servicing compact cars or heavy-duty trucks, this tool delivers the stability required for professional resurfacing.Engineered for broad compatibility, this high-quality aftermarket replacement directly replaces Ammco part numbers 1175 and 1180, and is also compatible with Hunter 175-185-2, Accu-Turn 434296, and Ranger RL-8500. Unlike standard rubber silencers, it includes a built-in chip deflector shield that channels hot metal shavings away from the technician and the machine's precision components.
| The MegaMotion 9.25" Brake Rotor Silencer Band (2-Pack) keeps rotor machining smooth and professional. Designed to dampen vibration during cutting on solid (non-vented) rotors, this band helps reduce chatter marks, lower noise, and support a cleaner surface finish.Each pack includes 2 durable rubber bands, ideal for keeping one in use and one as a spare — perfect for busy shops where rotor resurfacing is a repeat, high-demand service. Installation is simple: wrap the band around the rotor's outer edge during machining, then remove when finished.
| The MegaMotion Spindle Boot Replacement for brake lathes is a protective polyethylene cover designed for spindle service, helping keep the shaft free of shavings, dust, rust, and moisture during rotor resurfacing.This aftermarket part uses Ammco 3085 as a compatibility reference and fits applications on Ammco brake lathe models 3000, 4000, 4100, 7100, 7700, plus the 2002, 7000, and 7500 series. Its flexible material moves with the spindle while resisting oil and brake-cleaner contact.
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