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Item # 300THS, 3 Inch Model 300THS Through Hole Stationary Chuck


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Also available with 0.000010" (10 millionths) (2.5µ) repeatability. Master Jaws move at perfect right angle to centerline of spindle.




Specifications  · Materials

Specifications

Size

3 Inch
76
mm

Repeatability (Max. Concentricity)

0.000010" (10 millionths) (2.5µ)
0.0001 (2.5µ) T.I.R.

Repeatability (Max. End Lengths)

0.0001 (2.5µ) T.I.R.

Max. Jaw Opening

0.020 Inch
0.51
mm

Force per Jaw

View
316 lb
144
kg

Weight (with Aluminum Jaws)

2 lb
0.91
kg

Weight (with Steel Jaws)

2 1/2 lb
1.14
kg

No. of Jaws

3

Hole Size

1/4 Inch
6.35
mm

Top Jaws

Located on hardened steel pins in master jaws & secured by socket head cap screws


Materials

Body

Class 80 Ductile Cast Iron

Master Jaws

Hardened Steel

Wedge

Hardened Steel

Air Cylinder

Aluminum, O-Ring Sealed



 Top Jaws for Chucks 


Standard Jaws 300
AL-1-3-3/4
Standard Jaws for Series 300 Chucks


Standard Jaws 300
AL-1-3-1
Standard Jaws for Series 300 Chucks

more available ..


NORTHFIELD PRECISION INSTRUMENT CORP.
4400 Austin Blvd.  |  Box 550  |  Island Park, NY 11558
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