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INSTRUCTION MANUAL

EXPLODED VIEW & PARTS LIST

MODEL LA4275

4

No.

Part No.

Description

Qty.

1

LA4275-001

Back Plate Screw, 

Phillips-Head, M3x6

2

2

LA4275-002

Back Plate

1

3

LA4275-003

Pinion Screw

2

4

LA4275-004

Pinion

2

5

LA4275-005

Jaw Carriage 1

1

6

LA4275-006

Jaw 1

1

7

LA4275-007 Jaw-Mounting Screw, 

Hex-Head, M4x8

8

8

LA4275-008 Chuck Body Assembly

1

9

LA4275-009

Jaw Carriage 4

1

No.

Part No.

Description

Qty.

10 LA4275-010

Jaw 4

1

11 LA4275-011 Stop Screw, M4-0.7x8

1

12 LA4275-012

Screw Chuck, 

M8-3.0x20

1

13 LA4275-013

Jaw 3

1

14 LA4275-014

Jaw Carriage 3

1

15 LA4275-015

Jaw 2

1

16 LA4275-016

Jaw Carriage 2

1

17 LA4275-017

Chuck Key

1

18 LA4275-018

Hex Wrench, 

T-Handle, 3mm

1

HAVE PRODUCT QUESTIONS? NEED TECHNICAL SUPPORT?

 

Please feel free to contact us:

[email protected]

1-800-232-1195 (M-F 8AM-5PM CST)

This item has a 

2-year warranty

 - for the full warranty statement, please visit 

wenproducts.com

.

Replacement jaws and the most up-to-date instruction manuals can be found on 

wenproducts.com

.

Your chuck is designed to aid in holding wooden 

workpieces on your lathe, and is capable of gripping 

on both the outside and inside of various workpieces. 

EXTERNAL GRIP VS INTERNAL GRIP

The external grip is applied on the exterior of the 

workpiece, while the internal grip is applied on the 

interior of the workpiece. See Figures 1 & 2.

DOVETAIL JAWS

Your chuck has dovetailed jaws that are suitable for 

gripping a recess or tenon prepared in your work-

piece for clamping. Ensure that the recess or tenon 

prepared has a flat base so that it can rest flush 

against the flat surface of the chuck jaws. For the di-

mensions of your chuck’s dovetailed jaws, see Fig. 3.

2

8

4

6

10

9

5

3

1

17

16

15

14

12

13

11

18

Pre-As

semble

d

7

7

7

7

2.75-INCH 4-JAW

SELF-CENTERING LATHE CHUCK

Compatible with all WEN Wood Lathes 

SPECIFICATIONS

Mounting Thread

1"-8

Screw Chuck Thread

M8-3.0x20

Jaw Type

Dovetail

External Grip Range (Fig. 1)

1-1/8" to 1-3/4"

Internal Grip Range (Fig. 2)

1-1/2" to 2-1/8"

Self-Centering

Yes

Fig. 1 

External Grip

1

3

2

Packing List

1)

 Chuck ......................1

2)

 Screw Chuck ............1

3)

 Chuck Key ................1

4)

 Hex Wrench .............1

Internal Grip

Fig. 2 

Visit 

wenproducts.com

 and search the phrase 

"wood lathe" to purchase live centers and other 

lathe accessories.

4

V. 2019.09.26

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