| 1-1561-0750 | 03882 | NEW YORK TWIST DRILL INC |
| 11640 | 33689 | NIAGARA CUTTER INC |
| 1321-0506 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC |
| 1321-0506 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP |
| 16278 | 09058 | BNS HOLDING INC. DBA BNS CO DIV PRECISION MEASURING INSTRUMENTS TESA USA |
| 16278 | 62550 | B AND S TOOL AND CUTTER SERVICE INC |
| 189-506 | 01713 | ALVORD-POLK, INC. |
| 24554 | 48531 | FISCHER USA INC |
| 321-506 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC |
| 321-506 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP |
| 360-506 | 71201 | BRUBAKER TOOL CORP |
| 38-393 | 48521 | COLT INDUSTRIES OPERATING CORP PRATT AND WHITNEY MACHINE TOOL DIV |
| 40540 | 41672 | MORSE CUTTING TOOLS DIV OF MORSE CUTTING TOOL CORP |
| 45492 | 13130 | CLEVELAND TWIST DRILL CO DIV OF GREENFIELD INDUSTRIES INC |
| 45492 | 1NEX4 | KENNAMETAL INC. DIV KENNAMETAL INDUSTRIAL PRODUCTS GROUP |
| 506 | 09058 | BNS HOLDING INC. DBA BNS CO DIV PRECISION MEASURING INSTRUMENTS TESA USA |
| 506 | 48521 | COLT INDUSTRIES OPERATING CORP PRATT AND WHITNEY MACHINE TOOL DIV |
| 506 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
| 53415 | 42970 | LEAR SIEGLER INC NATIONAL TWIST DRILL AND TOOL DIV |
| 53415 | 78197 | STANDARD TOOL CO DIV OF LEAR SIEGLER INC |
| 570C-506 | 62550 | B AND S TOOL AND CUTTER SERVICE INC |
| 58-10164 | 71485 | UNION BUTTERFIELD CORP P O BOX 9000 CRYSTAL LAKE IL 60039 |
| 7030090 | 20528 | ENCO MFG CO |
| 717-004519 | 18056 | DOALL BALTIMORE COMPANY |
| 8015 | 19863 | ILLINOIS TOOL WORKS INC ILLINOIS ECLIPSE-PINE BLUFF DIV |
| ASME B94.19 | 05047 | THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS |
| B94.19 TABLE 17 | 80204 | AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED |
| GGG-C-755 | 81348 | FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC |
| K600-506 | 72295 | F & D TOOL CO INC |
| KSC506 | 60332 | POHL TOOL CO |
| MS15718-15 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |