Threaded Fasteners 00.04 Specifications TORQUE VALUES FOR U.S. CUSTOMARY THREAD FASTENERS WITH DRY (UNLUBRICATED) * PLAIN (UNPLATED) THREADS Regular Hex Flanged Thread Diameter– Pitch f230002 f230003 f230004 f230005 f230008 f230009 Grade 5 Grade 5 Grade 8 Grade 8 Grade 8 Grade G Bolt or B Nut or 8.2 Bolt or C Nut or 8.2 Bolt Nut 1/4–20 8 (11) 10 (14) Torque: lbf·ft (N·m) Torque: lbf·ft (N·m) Torque:
lbf·ft (N·m) 1/4–28 9 (12) 12 (16) 5/16–18 15 (20) 22 (30) 22 (30) 5/16–24 17 (23) 25 (34) 3/8–16 28 (38) 40 (54) 40 (54) 3/8–24 31 (42) 45 (61) 7/16–14 45 (61) 65 (88) 65 (88) 7/16–20 50 (68) 70 (95) 1/2–13 70 (95) 95 (129) 95 (129) 1/2–20 75 (102) 110 (149) 9/16–12 100 (136) 140 (190) 140 (190) 9/16–18 110 (149) 155 (210) 5/8–11 135 (183) 190 (258) 190 (258) 5/8–18 155 (210) 215 (292) 3/4–10 240 (325) 340 (461) 340 (461) 3/4–16 270 (366) 380 (515) 7/8–9 385 (522) 540 (732) 7/8–14 425 (576) 600 (813) 580 (786) 820 (1112) 1–12 635 (861) 900 (1220) 1–14 650 (881) 915 (1241) * Threads may have residual oil, but will be dry to the touch.
Male and female threads (bolt and nut) must both be unlubricated and unplated; if either is plated or lubricated, use Table 1. Freightliner recommends that all plated and unplated fasteners be coated with oil before installation. Table 2, Torque Values for U.S. Customary Thread Fasteners with Dry (Unlubricated) Plain (Unplated) Threads TORQUE VALUES FOR METRIC THREAD FASTENERS WITH LUBRICATED * OR PLATED THREADS Business Class M2 Workshop Manual, Supplement 0, January 2002 400/2