| Abbreviation | Meaning |
|---|
| CD FL |
COLD DRAWN FLAT ON-SIZE MATERIAL COLD DRAWN BAR STOCK |
| CD RD |
COLD DRAWN FLAT ON-SIZE MATERIAL COLD DRAWN BAR STOCK |
| CRS FL |
COLD ROLLED STEEL FLATS ON-SIZE BAR STOCK COLD FINISH |
| CRS RD |
COLD ROLLED STEEL ROUNDS ON-SIZE BAR STOCK COLD FINISH |
| DR |
DRILL ROD CENTERLESS GROUND ROUNDS +/- .001(SMALL SIZES +/-.0005) LENGTHS COME 36” STANDARD, 144” ALSO AVAILABLE METRIC DIAMETERS AVAILABLE UP TO 25 MM |
| FG OS |
PRECISION GROUND GAGE STOCK- OVERSIZE TOLERANCES + .010 TO + .015 ON THICKNESS AND WIDTH SPINDLE GROUND FINISH |
| FG REG |
PRECISION GROUND GAGE STOCK- ON-SIZE TOLERANCES +/-.001 THICKNESS + .005 -.000 WIDTH SPINDLE GROUND FINISH |
| HB |
HOLLOW BAR TURNED AND BORED HOLLOW ROUND STOCK USUALLY PROVIDED WITH ALLOWANCE TO FINISH TO CUSTOMER SPECS |
| HG RD |
HARDENED GROUND ROUND TOL. UNDER 1/8” DIA (+.000 -.0005); OVER 1/8”DIA ( +.000 -.001) MATERIAL HAS BEEN HEAT TREATED A-2 59-62 Rc M-2 63-66 Rc |
| HR BO FL |
HOT ROLL BURN OUT FLAT HOT ROLLED FINISH, NOT MACHINED. BURNED BY FLAME CUTTING TO ANY SHAPE. |
| HR BO RD |
HOT ROLLED BURN OUT ROUND HOT ROLLED FINISH, NOT MACHINED BURNED BY FLAME CUTTING INTO A RING FROM PLATE. |
| HR FL |
HOT ROLL FLAT HOT ROLLED PLATE PRODUCT, CUT TO SIZE |
| HR RD |
HOT ROLL ROUND ROUND BARS MANUFACTURED BY HOT ROLLING. FINISH IS NOT MACHINED APPROX. TOL. +/- .010 |
| PM BO FL |
PRE-MACHINED BURN-OUT FLAT MATERIAL IS BURNED FROM PLATE, THEN GROUND TOP AND BOTTOM TO CUSTOMER SPECS. |
| PM BO RD |
PRE-MACHINED BURN-OUT ROUND RINGS BURNED FROM PLATE, THEN GROUND TOP AND BOTTOM TO CUSTOMER SPECS. |
| PM FL |
PRE-MACHINED FLATS DECARB FREE MATERIAL, CUT FROM PLATE THICKNESS GROUND OVERSIZE +.015 TO +.035, SAW CUT +1/16 TO + 1/8” WIDTH AND LENGTH |
| RT RD |
ROUGH TURNED ROUND DECARB FREE ROUNDS, TURNED OVERSIZE +.015 TO +.030” LARGER DIAMETERS +1/16 TO +1/4” |
| SC FL |
SAW CUT FLATS RECTANGLES WHICH ARE COLD SAW CUT ON ALL DIMENSIONS FROM LARGER BLOCKS. TOL. +1/16 TO + 1/8” ALL DIMENSIONS. |
| SG FL |
SPECIAL GROUND FLATS FLAT BAR STOCK GROUND TO CUSTOMER SPECS |
| SG RD |
SPECIAL GROUND ROUNDS ROUND BARS GROUND TO CUSOTMERS SPECIFICATIONS. |
| TGP RD |
TURNED, GROUND AND POLISHED ROUNDS TOL. +.000/-.002 TO -.004” |
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