Dale Company
Top U-Bolt Manufacturer Since 1959

The Dale Company manufactures high performance standard U-bolts for industrial applications. We offer U-bolts at competitive prices, with quick turnaround and same-day shipping for many products.

The bend of the bolt keeps it in place, providing a stable and secure join once the bolt is secured. Standard U-bolts are used throughout industry as:

  • Piping support
  • Conduit support
  • Framing fasteners
  • Foundation and roof anchors
  • Wire and cable fasteners
  • Motor and engine shaft component fasteners

The Dale Company offers round U-bolts, square U-bolts, J U-bolts, eye bolts, anchor bolts, and S-hooks. We offer standard sizes for ¼” to 36” pipe, as well as custom sizes and threading to meet your specific application requirements. Materials and finishes available for The Dale Company’s standard U-bolts include:

  • Low carbon steelLong Tangent U-Bolts Fig. 137
  • 304 and 316 stainless steel
  • Teflon Blue
  • Plain finish
  • Zinc-plated
  • Hot dipped galvanized
  • Hot dipped galvanized Pro-Coat™
SKUDiameterInside WidthInside LengthFinish
ub361/2″2"3"Standard
ug361/2″2"3"Hot Dip Galvanized
up361/2″2"3"Zinc Plated
ub461/2″10 7/8"13"Standard
ug461/2″10 7/8"13"Hot Dip Galvanized
up461/2″10 7/8"13"Zinc Plated
us381/2″3"4 1/8"304 Stainless Steel
u3381/2″3"4 1/8"316 Stainless Steel
ub381/2″3"4 1/8"Standard
ug381/2″3"4 1/8"Hot Dip Galvanized
up381/2″3"4 1/8"Zinc Plated
us371/2″2 7/16"3 5/8"304 Stainless Steel
ub371/2″2 7/16"3 5/8"Standard
ug371/2″2 7/16"3 5/8"Hot Dip Galvanized
up371/2″2 7/16"3 5/8"Zinc Plated
ub401/2″4"5 1/2"Standard
ug401/2″4"5 1/2"Hot Dip Galvanized
up401/2″4"5 1/2"Zinc Plated
us391/2″3 9/16"4 1/2"304 Stainless Steel
u3391/2″3 9/16"4 1/2"316 Stainless Steel
UB391/2″3 9/16"4 1/2"Standard
ug391/2″3 9/16"4 1/2"Hot Dip Galvanized
up391/2″3 9/16"4 1/2"Zinc Plated
us411/2″4 9/16"5 3/4"304 Stainless Steel
u3411/2″4 9/16"5 3/4"316 Stainless Steel
ub411/2″4 9/16"5 3/4"Standard
ug411/2″4 9/16"5 3/4"Hot Dip Galvanized
up411/2″4 9/16"5 3/4"Zinc Plated
us431/2″5 9/16"7"304 Stainless Steel
u3431/2″5 9/16"7"316 Stainless Steel
ub431/2″5 9/16"7"Standard
ug431/2″5 9/16"7"Hot Dip Galvanized
up431/2″5 9/16"7"Zinc Plated
us441/2″6 5/8"8"304 Stainless Steel
u3441/2″6 5/8"8"316 Stainless Steel
ub441/2″6 5/8"8"Standard
ug441/2″6 5/8"8"Hot Dip Galvanized
up441/2″6 5/8"8"Zinc Plated
us451/2″8 3/4"10 1/4"304 Stainless Steel
ub451/2″8 3/4"10 1/4"Standard
up451/2″8 3/4"10 1/4"Zinc Plated
us71/4″2"3"304 Stainless Steel
u371/4″2"3"316 Stainless Steel
ub71/4″2"3"Standard
ug71/4″2"3"Hot Dip Galvanized
up71/4″2"3"Zinc Plated
us61/4″1 3/4"2 3/4"304 Stainless Steel
u361/4″1 3/4"2 3/4"316 Stainless Steel
ub61/4″1 3/4"2 3/4"Standard
ug61/4″1 3/4"2 3/4"Hot Dip Galvanized
up61/4″1 3/4"2 3/4"Zinc Plated
us51/4″1 3/8"2 1/4"304 Stainless Steel
u351/4″1 3/8"2 1/4"316 Stainless Steel
ub51/4″1 3/8"2 1/4"Standard
ug51/4″1 3/8"2 1/4"Hot Dip Galvanized
up51/4″1 3/8"2 1/4"Zinc Plated
us31/4″15/16"1 3/4"304 Stainless Steel
u331/4″15/16"1 3/4"316 Stainless Steel
ub31/4″15/16"1 3/4"Standard
ug31/4″15/16"1 3/4"Hot Dip Galvanized
up31/4″15/16"1 3/4"Zinc Plated
us11/4″9/16"1 1/2″304 Stainless Steel
u311/4″9/16"1 1/2″316 Stainless Steel
ub11/4″9/16"1 1/2″Standard
up11/4″9/16"1 1/2″Zinc Plated
us81/4″2 7/16"3 1/2"304 Stainless Steel
u381/4″2 7/16"3 1/2"316 Stainless Steel
ub81/4″2 7/16"3 1/2"Standard
up81/4″2 7/16"3 1/2"Zinc Plated
US41/4″1 1/8"2"304 Stainless Steel
ub41/4″1 1/8"2"Standard
ug41/4″1 1/8"2"Hot Dip Galvanized
up41/4″1 1/8"2"Zinc Plated
us21/4″3/4"1 1/2″304 Stainless Steel
u321/4″3/4"1 1/2″316 Stainless Steel
ub21/4″3/4"1 1/2″Standard
up21/4″3/4"1 1/2″Zinc Plated
ub573/4"10 7/8"13"Standard
ub583/4"12 7/8"15"Standard
ug583/4"12 7/8"15"Hot Dip Galvanized
ub563/4"8 3/4"10 1/4"Standard
ug563/4"8 3/4"10 1/4"Hot Dip Galvanized
us233/8"2"3"304 Stainless Steel
u3233/8"2"3"316 Stainless Steel
ub233/8"2"3"Standard
ug233/8"2"3"Hot Dip Galvanized
up233/8"2"3"Zinc Plated
us223/8"1 3/4"2 3/4"304 Stainless Steel
u3223/8"1 3/4"2 3/4"316 Stainless Steel
ub223/8"1 3/4"2 3/4"Standard
ug223/8"1 3/4"2 3/4"Hot Dip Galvanized
up223/8"1 3/4"2 3/4"Zinc Plated
us213/8"1 3/8"2 7/16"304 Stainless Steel
u3213/8"1 3/8"2 7/16"316 Stainless Steel
ub213/8"1 3/8"2 7/16"Standard
ug213/8"1 3/8"2 7/16"Hot Dip Galvanized
up213/8"1 3/8"2 7/16"Zinc Plated
ub193/8"15/16"1 3/4"Standard
ug193/8"15/16"1 3/4"Hot Dip Galvanized
up193/8"15/16"1 3/4"Zinc Plated
us253/8"3"4 1/8"304 Stainless Steel
u3253/8"3"4 1/8"316 Stainless Steel
ub253/8"3"4 1/8"Standard
up253/8"3"4 1/8"Zinc Plated
us243/8"2 7/16"3 5/8"304 Stainless Steel
u3243/8"2 7/16"3 5/8"316 Stainless Steel
ub243/8"2 7/16"3 5/8"Standard
up243/8"2 7/16"3 5/8"Zinc Plated
us263/8"3 9/16"4 3/4"304 Stainless Steel
u3263/8"3 9/16"4 3/4"316 Stainless Steel
ub263/8"3 9/16"4 3/4"Standard
up263/8"3 9/16"4 3/4"Zinc Plated
us203/8"1 1/8"2"304 Stainless Steel
ub203/8"1 1/8"2"Standard
ug203/8"1 1/8"2"Hot Dip Galvanized
up203/8"1 1/8"2"Zinc Plated
us283/8"4 9/16"5 3/4"304 Stainless Steel
u3283/8"4 9/16"5 3/4"316 Stainless Steel
ub283/8"4 9/16"5 3/4"Standard
up283/8"4 9/16"5 3/4"Zinc Plated
ub293/8"5 9/16"7"Standard
ug293/8"5 9/16"7"Hot Dip Galvanized
up293/8"5 9/16"7"Zinc Plated
us303/8"6 5/8"8"304 Stainless Steel
ub303/8"6 5/8"8"Standard
ug303/8"6 5/8"8"Hot Dip Galvanized
up303/8"6 5/8"8"Zinc Plated
us313/8"8 3/4"10 1/4"304 Stainless Steel
ub313/8"8 3/4"10 1/4"Standard
ug313/8"8 3/4"10 1/4"Hot Dip Galvanized
up313/8"8 3/4"10 1/4"Zinc Plated
us155/16"2"3"304 Stainless Steel
u3155/16"2"3"316 Stainless Steel
ub155/16"2"3"Standard
ug155/16"2"3"Hot Dip Galvanized
up155/16"2"3"Zinc Plated
us145/16"1 3/4"2 3/4"304 Stainless Steel
u3145/16"1 3/4"2 3/4"316 Stainless Steel
ub145/16"1 3/4"2 3/4"Standard
ug145/16"1 3/4"2 3/4"Hot Dip Galvanized
up145/16"1 3/4"2 3/4"Zinc Plated
us135/16"1 3/8"2 7/16"304 Stainless Steel
u3135/16"1 3/8"2 7/16"316 Stainless Steel
ub135/16"1 3/8"2 7/16"Standard
ug135/16"1 3/8"2 7/16"Hot Dip Galvanized
up135/16"1 3/8"2 7/16"Zinc Plated
ub115/16"15/16"1 3/4"Standard
up115/16"15/16"1 3/4"Zinc Plated
us165/16"2 7/16"3 1/2"304 Stainless Steel
u3165/16"2 7/16"3 1/2"316 Stainless Steel
ub165/16"2 7/16"3 1/2"Standard
ug165/16"2 7/16"3 1/2"Hot Dip Galvanized
up165/16"2 7/16"3 1/2"Zinc Plated
us125/16"1 1/8"2"304 Stainless Steel
ub125/16"1 1/8"2"Standard
up125/16"1 1/8"2"Zinc Plated
ub535/8"10 7/8"13"Standard
ub505/8"5 9/16"7"Standard
ug505/8"5 9/16"7"Hot Dip Galvanized
up505/8"5 9/16"7"Zinc Plated
ub515/8"6 3/4"8 3/4"Standard
ug515/8"6 3/4"8 3/4"Hot Dip Galvanized
ub525/8"8 3/4"10 1/4"Standard
5/16"1 3/8"2 7/16"316 Stainless Steel
5/16"1 3/4"2 3/4"316 Stainless Steel
5/16"2"3"316 Stainless Steel
5/16"2 7/16"3 1/2"316 Stainless Steel
3/8"1 3/8"2 7/16"316 Stainless Steel
3/8"1 3/4"2 3/4"316 Stainless Steel
3/8"2"3"316 Stainless Steel
3/8"2 7/16"3 5/8"316 Stainless Steel
3/8"3"4 1/8"316 Stainless Steel
3/8"3 9/16"4 3/4"316 Stainless Steel
3/8"4 9/16"5 3/4"316 Stainless Steel
1/2″3"4 1/8"316 Stainless Steel
u341/4″1 1/8"2"316 Stainless Steel
u341/4″1 1/8"2"316 Stainless Steel
1/2″4 9/16"5 3/4"316 Stainless Steel
1/2″5 9/16"7"316 Stainless Steel
1/2″6 5/8"8"316 Stainless Steel
1/4″1 3/4"2 3/4"316 Stainless Steel
1/4″2"3"316 Stainless Steel
1/4″2 7/16"3 1/2"316 Stainless Steel
ug11/4″9/16"1 1/2″Hot Dip Galvanized
ug11/4″9/16"1 1/2″Hot Dip Galvanized
ug115/16"15/16"1 3/4"Hot Dip Galvanized
ug115/16"15/16"1 3/4"Hot Dip Galvanized
ug125/16"1 1/8"2"Hot Dip Galvanized
ug125/16"1 1/8"2"Hot Dip Galvanized
ug21/4″3/4"1 1/2″Hot Dip Galvanized
ug21/4″3/4"1 1/2″Hot Dip Galvanized
ug243/8"2 7/16"3 5/8"Hot Dip Galvanized
ug243/8"2 7/16"3 5/8"Hot Dip Galvanized
ug253/8"3"4 1/8"Hot Dip Galvanized
ug253/8"3"4 1/8"Hot Dip Galvanized
ug263/8"3 9/16"4 3/4"Hot Dip Galvanized
ug263/8"3 9/16"4 3/4"Hot Dip Galvanized
ug283/8"4 9/16"5 3/4"Hot Dip Galvanized
ug283/8"4 9/16"5 3/4"Hot Dip Galvanized
ug451/2″8 3/4"10 1/4"Hot Dip Galvanized
ug451/2″8 3/4"10 1/4"Hot Dip Galvanized
ug525/8"8 3/4"10 1/4"Hot Dip Galvanized
ug525/8"8 3/4"10 1/4"Hot Dip Galvanized
ug535/8"10 7/8"13"Hot Dip Galvanized
ug535/8"10 7/8"13"Hot Dip Galvanized
ug81/4″2 7/16"3 1/2"Hot Dip Galvanized
ug81/4″2 7/16"3 1/2"Hot Dip Galvanized
up515/8"6 3/4"8 3/4"Zinc Plated
up515/8"6 3/4"8 3/4"Zinc Plated
up525/8"8 3/4"10 1/4"Zinc Plated
up525/8"8 3/4"10 1/4"Zinc Plated
up535/8"10 7/8"13"Zinc Plated
up535/8"10 7/8"13"Zinc Plated
up563/4"8 3/4"10 1/4"Zinc Plated
up563/4"8 3/4"10 1/4"Zinc Plated
up573/4"10 7/8"13"Zinc Plated
up573/4"10 7/8"13"Zinc Plated

Standard U-Bolt Chart

SIZE Dia.
(D)
Ins. Width
(C)
Ins. Length
(L)
Thd
(T)
Plain Zinc Plt HDG 304 SST 316 SST
1/4 x 1/4 1/4″ 9/16″ 1 1/2″ 1″ UB1 UP1 UG1 US1 U31
1/4 x 3/8 1/4″ 3/4″ 1 1/2″ 1″ UB2 UP2 UG2 US2 U32
1/4 x 1/2 1/4″ 15/16″ 1 3/4″ 1″ UB3 UP3 UG3 US3 U33
1/4 x 3/4 1/4″ 1 1/8″ 2″ 1 1/8″ UB4 UP4 UG4 US4 U34
1/4 x 1 1/4″ 1 3/8″ 2 1/4″ 1 1/8″ UB5 UP5 UG5 US5 U35
1/4 x 1 1/4 1/4″ 1 3/4″ 2 3/4″ 1 1/8″ UB6 UP6 UG6 US6 U36
1/4 x 1 1/2 1/4″ 2″ 3″ 1 1/4″ UB7 UP7 UG7 US7 U37
1/4 x 2 1/4″ 2 7/16″ 3 1/2″ 1 1/2″ UB8 UP8 UG8 US8 U38
5/16 x 1/2 5/16″ 15/16″ 1 3/4″ 1″ UB11 UP11 UG11
5/16 x 3/4 5/16″ 1 1/8″ 2″ 1 1/8″ UB12 UP12 UG12 US12
5/16 x 1 5/16″ 1 3/8″ 2 7/16″ 1 1/8″ UB13 UP13 UG13 US13 U313
5/16 x 1 1/4 5/16″ 1 3/4″ 2 3/4″ 1 1/8″ UB14 UP14 UG14 US14 U314
5/16 x 1 1/2 5/16″ 2″ 3″ 1 1/8″ UB15 UP15 UG15 US15 U315
5/16 x 2 5/16″ 2 7/16″ 3 1/2″ 1 1/2″ UB16 UP16 UG16 US16 U316
3/8 x 1/2 3/8″ 15/16″ 1 3/4″ 1″ UB19 UP19 UG19
3/8 x 3/4 3/8″ 1 1/8″ 2″ 1 1/8″ UB20 UP20 UG20 US20
3/8 x 1 3/8″ 1 3/8″ 2 7/16″ 1 1/8″ UB21 UP21 UG21 US21 U321
3/8 x 1 1/4 3/8″ 1 3/4″ 2 3/4″ 1 1/4″ UB22 UP22 UG22 US22 U322
3/8 x 1 1/2 3/8″ 2″ 3″ 1 1/4″ UB23 UP23 UG23 US23 U323
3/8 x 2 3/8″ 2 7/16″ 3 5/8″ 1 3/4″ UB24 UP24 UG24 US24 U324
3/8 x 2 1/2 3/8″ 3″ 4 1/8″ 2″ UB25 UP25 UG25 US25 U325
3/8 x 3 3/8″ 3 9/16″ 4 3/4″ 2″ UB26 UP26 UG26 US26 U326
3/8 x 4 3/8″ 4 9/16″ 5 3/4″ 2″ UB28 UP28 UG28 US28 U328
3/8 x 5 3/8″ 5 9/16″ 7″ 2″ UB29 UP29 UG29
3/8 x 6 3/8″ 6 5/8″ 8″ 3″ UB30 UP30 UG30 US30
3/8 x 8 3/8″ 8 3/4″ 10 1/4″ 3″ UB31 UP31 UG31 US31
1/2 x 1 1/2 1/2″ 2″ 3″ 1 1/4″ UB36 UP36 UG36
1/2 x 2 1/2″ 2 7/16″ 3 5/8″ 1 3/4″ UB37 UP37 UG37 US37
1/2 x 2 1/2 1/2″ 3″ 4 1/8″ 2″ UB38 UP38 UG38 US38 U338
1/2 x 3 1/2″ 3 9/16″ 4 1/2″ 2″ UB39 UP39 UG39 US39 U339
1/2 x 3 1/2 1/2″ 4″ 5 1/2″ 2″ UB40 UP40 UG40
1/2 x 4 1/2″ 4 9/16″ 5 3/4″ 2″ UB41 UP41 UG41 US41 U341
1/2 x 5 1/2″ 5 9/16″ 7″ 2″ UB43 UP43 UG43 US43 U343
1/2 x 6 1/2″ 6 5/8″ 8″ 3″ UB44 UP44 UG44 US44 U344
1/2 x 8 1/2″ 8 3/4″ 10 1/4″ 3″ UB45 UP45 UG45 US45
1/2 x 10 1/2″ 10 7/8″ 13″ 3″ UB46 UP46 UG46
5/8 x 5 5/8″ 5 9/16″ 7″ 2″ UB50 UP50 UG50
5/8 x 6 5/8″ 6 3/4″ 8 3/4″ 3″ UB51 UP51 UG51
5/8 x 8 5/8″ 8 3/4″ 10 1/4″ 3″ UB52 UP52 UG52
5/8 x 10 5/8″ 10 7/8″ 13″ 3″ UB53 UP53 UG53
3/4 x 8 3/4″ 8 3/4″ 10 1/4″ 3″ UB56 UP56 UG56
3/4 x 10 3/4″ 10 7/8″ 13″ 3″ UB57 UP57 UG57
3/4 x 12 3/4″ 12 7/8″ 15″ 3 3/4″ UB58 UP58 UG58