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TL;DR — Spec at a Glance For granite quarry and most hard-rock benches, a precision-cast rock chisel tooth at HRC 46–50 on the wear face is the working spec — harder than a standard dirt tooth, tougher than a chrome-white-iron abrasion tooth. Map the rock by Mohs and SiO2 first, then choose th...Read more »
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TL;DR — The Short Answer Some aftermarket teeth are statistically indistinguishable from OEM; most are not. The brand label predicts far less than the casting method, the published HRC range, and the foundry’s QA documentation. Tier-one precision-cast aftermarket (lost-wax process, HRC 4...Read more »
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After sixteen years of exporting bucket teeth to distributors across 30+ countries, I have watched inventory carrying costs eat into margins more than manufacturing costs ever did. Because the four CAT J-series tooth profiles (chisel, rock chisel, tiger, twin tiger) all use the same adapter withi...Read more »
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At Join Machinery, we ship approximately 200 container loads of bucket teeth per year, and we have refined our pre-shipment inspection protocol to the 20 checks below based on the failure modes we have seen in the field. Because each check addresses a specific failure mode, the protocol is not a...Read more »
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Quick Answer (TL;DR) J-series numbers run J200 → J800, where the larger the number the heavier the tooth and the bigger the machine class. J200 sits on mini excavators; J300 is the most common size; J550 and up handle mining shovels. A correct tooth-to-adapter match is decided by class, pin ...Read more »
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Quick Answer (TL;DR) A CAT J-series part number like “1U3302RC” is decoded position by position. Prefix = brand and family; middle block = class and shape; suffix = profile variant and material flag. Side-pin, top-pin, and weld-on are three different retention systems — using the wrong one ...Read more »
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Standard OEM bucket teeth (e.g. Caterpillar 6Y3222 J220) palletized and ready for FOB Ningbo export to overseas importers. Quick Answer. Bucket teeth import under international HS code 8431.41 (US HTS 8431.41.00.80, EU CN 8431.41) at a 0% MFN duty rate for industrial machinery parts. Standard...Read more »
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The 2713 series is the OEM tooth-and-adapter family that covers the Doosan DH220 through DH500 excavator range. Quick Answer. The Doosan 2713 series bucket teeth cover the DH220 through DH500 excavator range using three adapter profiles: 2713-0001 for DH220–DH280, 2713-0028 for DH300–DH420, a...Read more »
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A Sunrise Mining procurement manager in Peru issued a Q4 2024 RFP for 1,200 V51TL Esco Super V series bucket points for excavator PC800LC-8 working in copper ore mining, and the RFP specified “lost-wax investment casting only, ISO 8062-3 CT6 dimensional tolerance, no sand casting or forgin...Read more »
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A Glencoe Quarry procurement manager in Scotland issued a Q3 2024 RFP for 800 K40RC K-Max series rock chisel bucket teeth for excavator PC400LC-8 working in granite aggregate production, and the RFP specified “high standard alloy steel, hardness 48-52 HRC, lost-wax casting only, OEM replac...Read more »
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Figure 1 — Ningbo Join Machinery UNI-Z I bucket tooth for mini excavator application (UNI-Z category product portfolio). 1. UNI-Z Standard Bucket Teeth Product Family Overview The UNI-Z standard bucket teeth is the 3-tier product family designed for the mini excavator, the skid steer, and the ...Read more »
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Figure 1 — Ningbo Join Machinery K50RC bucket tooth for JCB 2CX/3CX backhoe application (JCB category product portfolio). 1. Step 1: Park the Backhoe and Position the Bucket The first step of the 6-step replacement process for the JCB 2CX/3CX backhoe bucket tooth is to park the backhoe on the ...Read more »