Worldwide Chuck Services, Inc.


Chuck Repairs and ServiceWe Sell Lathe Chucks ActuatorsChuck Parts and AccessoriesJaws and Accessories

Worldwide Chuck Services is a master distributor of Kitagawa products.

Kitagawa Products Menu

Scroll Chuck
Four-Jaw Independent Chuck
Standard Thru-Hole Chuck
Big Bore High Speed Chuck
Super Big-Bore Power Chuck
Long Stroke Lever Style Chuck
Quick Jaw Change Chuck
Quick Jaw Change Chuck
Counter Balanced Chuck
Closed Center Chuck
Long Stroke Two-Jaw Chuck
Power Wing Chuck
Pull Back Chuck
Three-Jaw Pull Style Chuck
Four-Jaw Self-Centeriing Power Chuck

Two Stage Hydraulic Cylinder

High Speed Wheel Chuck
Self-Contained Air Chuck
Ultra High Precision
Standard Thru-Hole Cylinder
Big Bore High Speed Cylinder
Hydraulic Cylinder
Closed Center Cylinder
Stationary Air Cylinder
High Speed Air Cylinder
Work Gripper
Soft Jaw
Chuck Adapter
Hard Jaw

BS300 SERIES Power Chucks

New innovative design ensures less jaw lift and higher speed solution.

Three-jaw wedge style power chucks, utilizing a new, patented design and offering the latest in high speed technology.  With reduced master jaw mass and lifting, the BS300 Series represents the next generation of power chuck.  These deliver consistent accuracy and repetitive chucking. 

Special Features

  • Unique/Patented Design
  • New High Speed Technology
  • Case Hardened Body (added rigidity)
  • Strong Clamping Force
  • Large Thru-Hole
  • Compact and Lightweight
  • Direct Mount
  • High Accuracy and High Endurance

Model BS300 Series Chucks are manufactured from high grade alloy steel. All sliding surfaces are hardened and ground to assure consistent accuracy and performance.

Lubrication nipple in each base jaw.

Master Jaw Serration: Chuck size 6" to 10": 1.5mm x 60°

Mounting: Direct mounting to fit ASA B5.9 type A (interchangeable with DIN 55026).

Standard Equipment: Chuck assembled with adapter, chuck mounting bolts, soft top jaws, T-nuts and jaw mounting bolts with wrench, draw nut wrench.


MODEL UNIT BS306A05 BS308A06 BS310A06 BS310A08
Spindle Nose


A2-6 A2-6 A2-8
Thru-Hole in. 1.772 2.047 2.953 2.953
Jaw Stroke (Diameter) in. 0.217 0.295 0.358 0.358
Plunger Stroke in. 0.472 0.551 0.669 0.669
Max. Draw Bar Pull Force kN (kgf) 22 (2243) 34.8 (3549) 43 (4385) 43 (4385)
Max. Gripping Force kN (kgf) 55 (5610) 84 (8570) 105.8 (10795) 105.8 (10795)
Max. Speed rpm 7500 6000 5000 5000
Matching Cylinder SS1246 SS1452 SS1775 S1775
Matching Soft Top Jaw SB06L1A SB08L1 SB10L1 SB10L1
Matching Hard Top Jaw HB06B1 HB08A1 HB10A1 HB10A1




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Worldwide Chuck Services, Inc.

1430 Danner Drive
 Aurora,  OH  44202
Phone: (330) 562-4509
Fax: (330) 562-2022


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