QD4IN800A 150–800 129–572 5 N•m/4.3 ft-lb Z 11.14 (5.46) 41-1/2 (1,054)
Square Drive Heads/Ratcheting
1/4 QJD8A-72 — — — 15/16 7/16 RKRT72A
1/4 QJD8SL-72 — — — 15/16 7/16 RKRT72A
3/8 QYD12A-80** — — — 1-1/4 9/16 RKRF80
3/8 QYD12SL-80 — — — 1-1/4 9/16 RKRF80
3/8 — QJD12A-80** — — 1-1/4 9/16 RKRF80
3/8 — QJD12SL-80 — — 1-1/4 9/16 RKRF80
3/8 — — QXD12A-80 — 1-1/4 9/16 RKRF80
1/2 QJD16A** — — — 1-5/8 3/4 RKRS936
1/2 QJD16SL — — — 1-5/8 3/4 RKRS80A
1/2 — QYD16A** — — 1-5/8 3/4 RKRS936
1/2 — QYD16SL — — 1-5/8 3/4 RKRS80A
1/2 — — QXD16A** — 1-5/8 3/4 RKRS80A
3/4 — — QXD24A — 2-1/2 1-1/4 RKRQC4
3/4 — — — QZD24BDP 2-1/2 1-1/4 RKRQC4
1 — — — QZD32BDP 2-1/2 1-1/2 RKRQC5
Square Drive Heads/Fixed
Square Drive, inches J (0.425'') Y (0.560'') X (0.735'') Z (0.990'') Head O.D., inches Head Depth, inches
1/4 QJSD8A — — — 5/8 3/4
3/8 QJSD12A QYSD12A — — 1 1
1/2 QJSD16A QYSD16A QXSD16A — 1 1-1/4
3/4 — — QXSD24A QZSD24ADP 1-1/2 2
1 — — QXSD32A QJSD8A 1-3/4 2-1/4