BEYOND

White Spring Steel SVUCR/L & SVUBR/L Boring Bar Series

Core Performance Advantages

• Premium Spring Steel Body: Crafted from specialized white steel with high elasticity to absorb vibrations during deep hole machining.

• 95° Precise Lead Angle: Ideal for profile internal turning and facing with high accuracy.

• S-Type Screw Clamping: Ensures maximum chip evacuation space, making it perfect for small to medium internal diameters.

• Anti-Chatter Design: The material properties significantly reduce tool deflection and improve surface finish quality.

Professional Comparison of Clamping Systems

System Type	Locking Logic	Primary Benefit
S-Type (SVUCR)	Screw-Down Clamping	Maximum chip clearance; ideal for precision internal finishing.
M-Type	Double Action (Clamp+Pin)	Highest stability for heavy roughing cuts.
D-Type	Top Clamp Action	Fast insert replacement for high-volume production.

⚠ IMPORTANT: NO INSERTS INCLUDED

The price is for 1pc Tool Holder + Full Accessories Set (Screw & Wrench).

Technical Specifications & Parts Details

Model Number	Min Bore (Dmin)	Shank Dia (Φd)	Length (L)	Insert Type	Clamping Screw	Torx Wrench
S16Q-SVUCR/L11	24mm	16mm	180mm	VC..1103.. / VB..1103..	M2.5 x 6	T8
S20R-SVUCR/L11	26mm	20mm	200mm	VC..1103.. / VB..1103..	M2.5 x 6	T8
S16Q-SVUBR/L11	24mm	16mm	180mm	VB..1103.. / VC..1103..	M2.5 x 6	T8
S20R-SVUBR/L11	26mm	20mm	200mm	VB..1103.. / VC..1103..	M2.5 x 6	T8

Recommended Machining Parameters

Cutting Speed (Vc): 90 - 210 m/min (Adjust based on material type)
Feed Rate (fn): 0.05 - 0.20 mm/rev (Optimized for precision finishing)
Coolant: Wet cutting is recommended to extend tool life and improve surface finish.

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