ROUND U-BOLTS
11-21W/N&W*

ROUND U-BOLT FOR 3.5K AXLES
USING 2, 3 OR 4 LEAF SPRINGS 1-3/4" WIDE
A = 1/2" STOCK
B = 2-3/8"
C = 5-1/2"
THREAD LENGTH 1-3/4"
*WITH NUTS & WASHERS
(USE TIE PLATE AP238)
USING 2, 3 OR 4 LEAF SPRINGS 1-3/4" WIDE
A = 1/2" STOCK
B = 2-3/8"
C = 5-1/2"
THREAD LENGTH 1-3/4"
*WITH NUTS & WASHERS
(USE TIE PLATE AP238)
UB238W/N&W*

ROUND U-BOLT FOR 3.5K AXLES
USING 4, 5 OR 6 LEAF SPRINGS 1-3/4" WIDE
A = 1/2" STOCK
B = 2-3/8"
C = 6-1/4"
THREAD LENGTH 1-3/4"
*WITH NUTS & WASHERS
(USE TIE PLATE AP238)
USING 4, 5 OR 6 LEAF SPRINGS 1-3/4" WIDE
A = 1/2" STOCK
B = 2-3/8"
C = 6-1/4"
THREAD LENGTH 1-3/4"
*WITH NUTS & WASHERS
(USE TIE PLATE AP238)
11-16W/N&W*

ROUND U-BOLT FOR 5.2K, 6K OR 7K AXLES
USING 3, 4 OR 5 LEAF SPRINGS 1-3/4" WIDE
A = 1/2" STOCK
B = 3"
C = 6"
THREAD LENGTH 2"
*WITH NUTS & WASHERS
(USE TIE PLATE AP300)
USING 3, 4 OR 5 LEAF SPRINGS 1-3/4" WIDE
A = 1/2" STOCK
B = 3"
C = 6"
THREAD LENGTH 2"
*WITH NUTS & WASHERS
(USE TIE PLATE AP300)
11-18W/N&W*

ROUND U-BOLT FOR 5.2K, 6K OR 7K AXLES
USING 5, 6 OR 7 LEAF SPRINGS 1-3/4" WIDE
A = 1/2" STOCK
B = 3"
C = 7"
THREAD LENGTH 2"
*WITH NUTS & WASHERS
(USE TIE PLATE AP300)
USING 5, 6 OR 7 LEAF SPRINGS 1-3/4" WIDE
A = 1/2" STOCK
B = 3"
C = 7"
THREAD LENGTH 2"
*WITH NUTS & WASHERS
(USE TIE PLATE AP300)
TORQUE VALUE FOR 1/2" U-BOLTS
MINIMUM FT.-LB. MAXIMUM FT.-LB.
LIPPERT 45 70
ALKO-KOBER 45 60
DEXTER 45 70
MINIMUM FT.-LB. MAXIMUM FT.-LB.
LIPPERT 45 70
ALKO-KOBER 45 60
DEXTER 45 70
11-54W/N*

ROUND U-BOLT FOR 2K AXLES
USING 2, 3 OR 4 LEAF SPRINGS 1-3/4" WIDE
A = 3/8" STOCK
B = 1-3/4"
C = 4-1/4"
THREAD LENGTH 1-1/2"
*WITH NUTS & WASHERS
(USE TIE PLATE 12-40)
USING 2, 3 OR 4 LEAF SPRINGS 1-3/4" WIDE
A = 3/8" STOCK
B = 1-3/4"
C = 4-1/4"
THREAD LENGTH 1-1/2"
*WITH NUTS & WASHERS
(USE TIE PLATE 12-40)
U-BOLT KITS

KIT COMES WITH (4) U-BOLTS & (2) AXLE PLATES
1-3/4" WIDE SPRINGS
11-54K U-BOLTS FOR 2K
11-21K U-BOLTS FOR 3.5K SHORT
UB238K U-BOLTS FOR 3.5K LONG
11-16K U-BOLTS FOR 5.2K-7K SHORT
11-18K U-BOLTS FOR 5.2K-7K LONG
1-3/4" WIDE SPRINGS
11-54K U-BOLTS FOR 2K
11-21K U-BOLTS FOR 3.5K SHORT
UB238K U-BOLTS FOR 3.5K LONG
11-16K U-BOLTS FOR 5.2K-7K SHORT
11-18K U-BOLTS FOR 5.2K-7K LONG
SQUARE U-BOLTS
UB6SW/N&W*

SQUARE U-BOLT FOR TRAILER AXLES
USING 2, 3 LEAF SPRINGS 1-3/4" WIDE
A = 9/16" STOCK
B = 1-1/2"
C = 4-1/2"
THREAD LENGTH 2"
*WITH NUTS & WASHERS
USING 2, 3 LEAF SPRINGS 1-3/4" WIDE
A = 9/16" STOCK
B = 1-1/2"
C = 4-1/2"
THREAD LENGTH 2"
*WITH NUTS & WASHERS
UB7SW/N&W*

SQUARE U-BOLT FOR TRAILER AXLES
USING 2, 3 OR 4 LEAF SPRINGS 1-3/4" WIDE
A = 9/16" STOCK
B = 1-3/4"
C = 5-1/4"
THREAD LENGTH 2"
*WITH NUTS & WASHERS
(USE TIE PLATE 7717)
USING 2, 3 OR 4 LEAF SPRINGS 1-3/4" WIDE
A = 9/16" STOCK
B = 1-3/4"
C = 5-1/4"
THREAD LENGTH 2"
*WITH NUTS & WASHERS
(USE TIE PLATE 7717)
U-BOLT KIT ,(4 EA)

Kit contains:
• Four square bend 5/8" U-Bolts
(nominal dimensions: 3.63 x 11.44 I.D. w/ 4" N.C. thread)
• Eight 5/8" hex nuts
• Eight 5/8" split lock washers
• Four ½" thick forged tie bars
• Grade 5 equivalent
U-Bolt kits are shipped individually boxed.
Other diameter and length U-Bolts are available by special order.
UB623514 14" LENGTH
• Four square bend 5/8" U-Bolts
(nominal dimensions: 3.63 x 11.44 I.D. w/ 4" N.C. thread)
• Eight 5/8" hex nuts
• Eight 5/8" split lock washers
• Four ½" thick forged tie bars
• Grade 5 equivalent
U-Bolt kits are shipped individually boxed.
Other diameter and length U-Bolts are available by special order.
UB623514 14" LENGTH