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Interchangeable Head
Center of fastener to retaining pin:
• QJO Series – 2.50"
• QYO Series – 3.00"
• QXO Series – 4.50"
• QZO Series – 5.75"
Inches | J (0.425") | Y (0.560") | X (0.735") | Z (0.990") | O.D., Inches | Head Depth, Inches |
1/4 | QJO8A (5) | - | - | - | 17/32 | 9/64 |
9/32 | QJO9A (7) | - | - | - | 21/32 | 5/32 |
5/16 | QJO10A (9) | - | - | - | 21/32 | 11/64 |
3/8 | QJO12A (18) | - | - | - | 25/32 | 11/64 |
7/16 | QJO14A (26) | - | - | - | 29/32 | 11/64 |
1/2 | QJO16A (34) | QYO16A (58) | - | - | 1-1/16 | 11/64 |
9/16 | QJO18A (58) | QYO18A (58) | - | - | 1-1/16 | 9/32 |
5/8 | QJO20A (60) | QYO20A (70) | - | - | 1-5/16 | 9/32 |
11/16 | QJO22A (60) | QYO22A (99) | - | - | 1-7/16 | 5/16 |
3/4 | QJO24A (60) | QYO24A (125) | QXO24A (125) | - | 1-19/32 | 11/32 |
13/16 | QJO26A (60) | QYO26A (160) | QXO26A (164) | - | 1-23/32 | 3/8 |
7/8 | QJO28A (60) | QYO28A (160) | - | - | 1-23/32 | 3/8 |
15/16 | QJO30A (60) | QYO30A (160) | QXO30A (200) | - | 1-29/32 | 13/32 |
1 | QJO32A (60) | QYO32A (160) | QXO32A (240) | QZO32ADP (298) | 2-1/32 | 7/16 |
1-1/16 | QJO34A (60) | QYO34A (160) | QXO34A (240) | QZO34ADP (480) | 2-3/16 | 15/32 |
1-1/8 | QJO36A (60) | QYO36A (160) | QXO36A (240) | QZO36ADP (367) | 2-5/16 | 15/32 |
1-3/16 | - | QYO38A (160) | QXO38A (240) | QZO38ADP (433) | 2-7/16 | 1/2 |
1-1/4 | QJO40A (60) | QYO40A (160) | QXO40A (240) | QZO40ADP (480) | 2-9/16 | 17/32 |
1-5/16 | – | QYO42A (160) | QXO42A (240) | QZO42ADP (480) | 2-21/32 | 9/16 |
1-3/8 | QJO44A (60) | QYO44A (160) | QXO44A (240) | QZO44ADP (480) | 2-3/16 | 19/32 |
1-7/16 | - | QYO46A (160) | QXO46A (240) | QZO46ADP (480) | 3 | 19/32 |
1-1/2 | QJO48A (60) | QYO48A (160) | QXO48A (240) | QZO48ADP (480) | 3-1/16 | 5/8 |
1-9/16 | - | QYO50A (160) | QXO50A (240) | QZO50ADP (480) | 3-3/16 | 21/32 |
1-5/8 | QJO52A (60) | QYO52A (160) | QXO52A (240) | QZO52ADP (480) | 3-11/32 | 11/16 |
1-11/16 | - | - | QXO54A (240) | QZO54ADP (480) | 3-13/32 | 23/32 |
1-3/4 | - | QYO56A (240) | QXO56A (240) | QZO56ADP (480) | 3-9/16 | 23/32 |
1-13/16 | - | - | QXO58A (240) | QZO58ADP (480) | 3-21/32 | 13/32 |
1-7/8 | - | QYO60A (240) | QXO60A (240) | QZO60ADP (480) | 3-13/16 | 25/32 |
2 | - | - | QXO64A (240) | QZO64ADP (480) | 4-1/16 | 27/32 |
2-1/16 | - | - | QXO66A (240) | QZO66ADP (480) | 4-3/16 | 27/32 |
2-1/8 | - | - | - | QZO68ADP (480) | 4-5/16 | 5/8 |
2-1/4 | - | QYO72 (240) | - | QZO72ADP (480) | 4-9/16 | 15/16 |
2-3/8 | - | - | - | QZO76ADP (480) | — | — |
2-1/2 | - | - | - | QZO80ADP (480) | 5-1/16 | 1 |
2-7/8 | - | QYO92 (240) | - | - | 5-31/32 | 5/8 |