SP-Type U-Drills
Double helix internal cooling keeps temperatures in check. Runs stable. Center and peripheral edges share the load evenly. Holes come out clean.
SP-Type U-Drills provide reliable drilling performance with optimized insert geometry, ensuring smooth cutting and consistent hole accuracy. Suitable for medium to heavy-duty machining applications in steel and cast iron.
Small Craftsman (Shandong) Machine & Tools Co., Ltd. is one of the leading manufacturers and suppliers of sp-type u-drills in China. If you're going to wholesale bulk advanced sp-type u-drills, welcome to get quotation from our factory. All customized products are with high quality and competitive price.
This SP Indexable U Drill has a nickel-plated surface. Resists rust, oil, and corrosion. Built to last.
Double helix internal cooling keeps temperatures in check. Runs stable. Center and peripheral edges share the load evenly. Holes come out clean.
SP-Type U-Drills provide reliable drilling performance with optimized insert geometry, ensuring smooth cutting and consistent hole accuracy. Suitable for medium to heavy-duty machining applications in steel and cast iron.
Innovative spiral flutes with a 6:4 inner/outer ratio. Chips evacuate smooth, rarely clog.
Nickel-plated surface. Resists rust, oil, and corrosion. Stays clean in storage.
Double helix internal cooling. Coolant hits the cutting zone directly. Temperature stays down.
Continuous cooling flow. Cuts heat, extends insert life.
Center and peripheral edges balance the cutting load. Stable forces, precise holes.
Minimal vibration. Good wall finish, less scrap.
Innovative spiral flute design. Inner/outer ratio at 6:4. Plenty of chip room.
Groove structure guides chips out directional. No clogging.
Optimized flute ratio cuts resistance. Better chip evacuation.
High-strength alloy steel body. Rigid and tough.
Standard insert mounting. Swap inserts fast, no regrinding.
Fits multiple standard insert types. This Indexable U Drill SP keeps inventory simple.
Precision positioning. Inserts locate accurately. Holes land on target.
High-rigidity holder structure. Good impact resistance. No chatter at speed.
Works across materials. This SP Type U Drill handles carbon steel, stainless, and cast iron.
One-pass drilling. No pilot hole needed. Faster cycles.
Stable chip evacuation in deep holes. Fewer pecks.
Optimized coolant path. Even cooling, no hot spots.
Smooth nickel-plated surface. No built-up edge.
High surface finish. Chips don't stick. Easy cleanup.
Dynamically balanced. Runs smooth at high RPM. Quieter.
Fits CNC lathes and machining centers. This SP Type Indexable U Drill Bit handles batch work.
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