SPMG inserts from Estool are manufactured for reliable shallow hole drilling and indexable drilling heads. We stock the common sizes and produce specials on request, always with the grade and coating matched to your material so tool life stays predictable.
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Use the table below to confirm the SPMG geometry you need, or send us a sample insert and we will match it. Bulk and repeat orders can be scheduled to your production plan, so replenishment never becomes a bottleneck.
1. Ultrafine cemented carbide 2. Nice chip breaker 3. Durable wear-resistance 4. Good surface soomthness
Direct from our factory in Zhuzhou, Hunan — the carbide capital of China.
Founded in 2018 in Zhuzhou, China's cemented-carbide capital. Real workshop photos, production videos and machining case studies are available for every product line on request.
Our team is trained in materials science and mechanical engineering with 10+ years of carbide experience. Send your workpiece material and cutting conditions, and we will recommend the right grade and geometry for free.
CNC grinding and PVD/CVD coating lines run under a strict quality system. Every batch ships with an inspection report, and third-party testing (SGS / TÜV) is welcome before shipment.
Factory-direct pricing with no hidden fees. A formal sales contract covers every order, verified quality issues are replaced free of charge, and orders ship worldwide within 3–7 days.
SPMG inserts are made with in-house pressing, sintering and precision grinding, then coated to the specification agreed with you. An inspection record can be included with each shipment.
If you also machine grooves or threads on the same parts, ask us to quote SPMG inserts together with grooving and threading grades.
Tell us the grade, size and quantity you need, our engineers will reply with the best price within 24 hours.
Tell us the model, grade and quantity — our engineers reply with pricing within 24 hours.
