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southwick & meister
 

Nexturn CNC TURNING CENTERS
QUICK REFERENCE GUIDE*
  
 
MACHINE HEAD STOCK
COLLET		 GUIDE
BUSHING		 DRILL
COLLET		 PICK-OFF
COLLET
SA12 TF16 SD125R MPC11 TF16
SA18A TF25 TD25-NS MPC11/MPC16 TF25
SA20 TF25 TD25-NS MPC16 TF25
SA26 F32-221 CD25 MPC16 F32-221
SA32 TF37 TD32S MPC16 TF37

 

* Refer to separate section in this catalog for MPC attachment collets.

 
STEEL COLLETS
ROUND

CAT. NO. REFERENCE DIMENSIONS INC. RANGE
D E L a°
TF16 16mm
.630		 21mm
.827		 64mm
2.520		 16 1/64
.001		 1/16 – 1/2
.030 – .500
TF25 25mm
.984		 35mm
1.380		 77mm
3.032		 16 1/32
.001		 1/8 – 13/16
.120 – .813
F32-221 32mm
1.260		 45mm
1.771		 75mm
2.953		 15 1/16
.001		 1/4 – 11/16
.200 – 1.062
TF37 37mm
1.456		 47mm
1.850		 92mm
3.622		 16 1/16
.001		 1/4 – 1-1/4
.200 – 1.250

NOTE:
1. Collets are normally stocked in the fractional increments shown. All other bores are made to    order.

2. Collets are available in standard and extra precision (XP) for critical applications.

3. Headstock collet bores 1/2 inch and larger are grooved for extra holding power. Any    variation must be specified when ordering.

4. When ordering pick-off collets, please specify smooth bore.

5. If a collet used in a pick-off application requires an extended nose length, use the sufix “EN”    and refer to separate section for ordering details.

6. Carbide lined collets have a wear life many times that of steel collets; in addition, they resist    “galling and scratching” of problem materials.


 
CAT. NO. REFERENCE DIMENSIONS INC. RANGE
D L a° THD. mm
SD125R 18mm
.709		 60mm
2.362		 30° 18 x 1 1/64
.001		 1/16 – 1/2
.030 – .500
TD25-NS 28mm
1.102		 82mm
3.228		 16° 25 x 1 1/32
.001		 1/8 – 3/4
.100 – .781
CD25 34mm
1.339		 87.5mm
3.445		 10° 34 x 1 1/16
.001		 3/16 – 1 in.
.200 – 1.000
TD32S 42mm
1.654		 82mm
3.228		 16° 40 x 1 1/16
.001		 1/4 – 1-1/4
.200 – 1.250
NOTE: Generally, guide bushings are used in stationary or revolving guide bushing holders. For profile material, revolving bushings are essential. However, in special cases where round stock is turned in revolving bushings and extreme concentricity between the stock and the turned diameters is required, extra precision (XP) bushings are available. These bushings command higher prices, longer deliveries, and should only be specified when the requirements justify their use.
CAT. NO. INC. RANGE
SD125RHX 1/32 1/8 – 7/16
TD25-NSHX 1/16 3/16 – 11/16
CD25HX 1/16 1/4 – 3/4
TD32SHX 1/16 1/4 – 1 1/16
CAT. NO. INC. RANGE
SD125RSQ 1/32 1/8 – 11/32
TD25-NSSQ 1/16 3/16 – 9/16
CD25SQ 1/16 1/4 – 11/16
TD32SSQ 1/16 1/4 – 7/8
Hexagon and square collets and bushings are normally stocked in the increments (INC) listed. Odd size hexagon and square bores and other profile shapes are made to order. In these cases, it is requested that a stock sample be sent with the purchase order.
 
CAT. NO. INC. RANGE
SD125R 1/16
.001 		1/16 – 1/2
.050 – .500
TD25-NS 1/16
.001 		1/8 – 3/4
.050 – .796
CD25 1/16
.001 		3/16 – 1 in.
.100 – 1.000
TD32S 1/16
.001 		1/4 – 1-1/4
.200 – 1.250
NOTE: Meehanite is compatible with most materials, including those which have a high tendency to “pick up”. However, meehanite has a wear life that is considerably shorter than that of carbide. Meehanite is supplied in round bore sizes only.

* When ordering please add a suffix of “ST” for steel bushing or “M” for meehanite bushing.


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