Centerless Grinding - Thread Rolling - Knurling

ISO 9001-2000 COMPLIANT

Spec Sheet


*CAUTION; Unable to Roll Parts With Cross Drill Holes or Milled Flats
*Call for Information on Parts with Thin Walls, Short Threads, Or Hi Heat-Treat
Blank Diameter And Chamfer Sizes for One Pass Grind For Thread Roll

Blank Diameter And Chamfer Sizes for One Pass Grind For Thread Roll

 

SIZE SERIES MACHINED BLANK DIA. CHAMFER FLAT

PLUS .004 MINUS .010

 

0 80-NF .053 .040

1 64-NC .064 .045

72-NF .065 .050

2 56-NC .076 .055

64-NF .077 .060

3 48-NC .087 .065

56-NF .089 .070

4 40-NC .097 .070

48-NF .100 .080

5 40-NC .110 .085

44-NF .112 .090

6 32-NC .119 .085

40-NF .123 .100

8 32-NC .145 .115

36-NF .147 .120

10 24-NC .164 .125

32-NF .171 .140

24-NC .190 .145

12 28-NF .195 .155

32-NEF .197 .165

20-NC .219 .170

28-NF .228 .190

32-NEF .231 .200

40-NEF .240 .210

56-NS .240 .220

18-NC .278 .225

5/16 24-NF .287 .245

32-NEF .294 .265

16-NC .336 .275

3/8 24-NF .350 .310

32-NEF .356 .325

14-NC .393 .320

7/16 20-NF .407 .355

24-NS .412 .370

13-NC .452 .375

1/2 20-NF .469 .420

40-NS .490 .460

9/16 18-NF .530 .470

11-NC .567 .475

5/8 18-NF .590 .535

24-NEF .600 .555

10-NC .687 .590

3/4 16-NF .711 .650

18-NS .715 .660

20-NEF .719 .670

9-NC .804 .695

7/8 14-NF .830 .760

16-N .836 .775

8-NC .920 .795

1 12-NF .947 .865

14-NS .955 .885

18-NS .965 .910

1-1/16 12-N 1.010 .925

18 NEF 1.028 .970


Blanking Dimensions on Additional Sizes available upon Request