Product Specification
Each nut splitter in the YD57-008 set is drop forged, a process that compresses high-carbon steel into a dense, defect-free structure. This makes the tools 30% stronger than cast alternatives, enabling them to split seized or rusted nuts without bending or breaking—critical for mechanics dealing with corroded fasteners in automotive or industrial repairs.
With four cutters covering 9-27 mm, the set handles most common hex nut sizes found in cars, machinery, and plumbing. Whether you’re splitting a 10 mm nut on a motorcycle or a 24 mm nut on heavy equipment, there’s a cutter tailored to the job. The precise sizing ensures a tight fit around the nut, maximizing splitting force and minimizing the risk of nut or bolt damage.
To use, place the appropriate cutter over the nut, tighten the central bolt until the cutting blade makes contact, then apply pressure gradually. The forged steel blade cleanly splits the nut along its side, allowing removal without damaging the bolt threads. This method is safer than grinding or chiseling, as it reduces 火花 (sparks) and flying debris, ideal for confined spaces or flammable environments.
The red blow-mold case features custom slots for each cutter, keeping them organized and protected from impacts during transport. This prevents misplacement and ensures quick access—perfect for mobile mechanics or DIYers who need a compact, ready-to-go tool set.
Scenario: A mechanic needs to replace a seized 19 mm wheel nut on a customer’s car (rusted from road salt exposure).
Operation: Select the 127×46×21 mm cutter (fits 19 mm hex nuts) from the blow-mold case, position it over the nut, tighten the central bolt until the blade engages, then apply force to split the nut. The drop-forged steel handles the torque, and the clean split allows easy removal without damaging the wheel stud.
Scenario: A team is repairing a piece of machinery with a 24 mm hex nut that’s fused to its bolt due to heat and corrosion.
Operation: Use the 165×58×29 mm cutter (for 16-24 mm nuts), secure it around the nut, and gradually tighten to split the nut. The high-carbon steel withstands the force needed for heavy-duty industrial nuts, and the organized case ensures the right tool is found quickly in a busy workshop.
Scenario: A homeowner is fixing a leaky pipe but can’t remove a 12 mm rusted nut from an old faucet.
Operation: Grab the 75×22×9 mm cutter (for 9-12 mm nuts) from the case, fit it over the nut, and split it safely. The compact size works in the tight space under the sink, and the blow-mold case stores easily in a home toolbox.
A1: Slippage usually occurs due to incorrect cutter size or grease/rust. Solutions: 1) Check Cutter Size: Ensure the cutter matches the nut’s hex size (e.g., use the 14 mm cutter for a 14 mm nut); 2) Clean the Nut: Wipe grease or rust from the nut and cutter with a degreaser to improve grip; 3) Tighten Securely: Before splitting, make sure the cutter is fully tightened around the nut—this prevents movement during force application.
A2: While drop-forged high-carbon steel is tough, stainless steel nuts are extremely hard. Splitting them may: 1) Require excessive force, risking cutter damage; 2) Blunt the cutting blade quickly. For stainless steel nuts, use a dedicated stainless steel nut splitter or consider alternative removal methods (e.g., precision grinding).
A3: This is likely due to rust or debris in the bolt threads. Fixes: 1) Clean Threads: Use a wire brush to remove rust or dirt from the central bolt and cutter threads; 2) Lubricate: Apply a penetrating oil (e.g., WD-40) to the threads and let it sit for 5 minutes before turning; 3) Check Alignment: Ensure the cutter is properly aligned with the nut—misalignment can jam the bolt.
A4: Maintenance steps: 1) Clean After Use: Wipe cutters and bolts with a dry cloth to remove debris; for heavy grease, use a mild solvent; 2) Lubricate Threads: Apply a light machine oil to central bolt threads after cleaning to prevent rust; 3) Store Properly: Keep the set in the blow-mold case to protect from moisture and impacts; 4) Inspect Regularly: Check for blade wear or cracks in the forged steel—replace damaged cutters to avoid safety risks.
Company Details
Bronze Gleitlager
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Bronze Sleeve Bushings
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Graphite Plugged Bushings
from Quality China Factory
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Business Type:
Manufacturer,Trading Company
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Employee Number:
110~120
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Ecer Certification：
Verified Supplier
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