U-Joints

For Tube Cleaners

Universal Joints from Airetool

Universal Joints


  Models

10-32 thru 7/8" N.C. Thread Combinations

For adapting cleaning heads to cleaning motors
U-joints, components and (ordering numbers)

Drag your finger across the table to scroll

Universal Jont No. Shaft Jaw Head Jaw Link Pin (2 req.) U-Joint O.D. (in.) Overall Length (in.) Thread Size Cleaner Kits Used On
2451 (4094800) 2452 (1057100) 2452 (1057100) 2454 (1057200) 2455 (1057300) 0.312 1.25 10-32 x 10-32 24
PA 3051 (4098200) PA 3052 (1294500) PA 3052 (1294500) PA 3054 (1294600) PA 3055 (1294700) .437 (.375 Hex) 1.375 1/4" x 1/4" N.F. N.F. 27, 27 A, 30, 30 A
6451 (4096500) 6453 V (1094800) 6453 V (1094800) 6454 V (1095100) 6455 V (1095200) 0.500 1.687 1/4" x 1/4" N.F. N.F. X 64
6451 B 6453 V (1094800) 6457 V (1095300) 6454 V (1095100) 6455 V (1095200) 1/4" x 5/16" N.F N.C. X 64
6151 C (4096300) 6452 V (1094600) 6453 V (1094800) 6454 V (1095100) 6455 V (1095200) 5/16" x 1/4" N.F. N.F. X 60, X 61
6151 (4096100PT) 6452 V (1094600) 6452 V (1094600) 6454 V (1095100) 6455 V (1095200) 5/16" x 5/16" N.F. N.F. X 61
6151 B (4096200) 6452 V (1094600) 6457 V (1095300) 6454 V (1095100) 6455 V (1095200) 5/16" x 5/16" N.F. N.C. X 61
2651 (4094900) 2652 (1061700PT) 2652 (1061700PT) 2654 (1061900) 2655 (1062000) 0.625 1.593 3/8" x 3/8" N.F. N.F. 26, 29
6351 B (4096400) 6652 (1100100) 6657 6654 (1100300) 6655 (1100400) 0.750 2.125 3/8" x 5/16" N.F. N.C. X 63
6651 B (4096800) 6652 (1100100) 6658 (1100700) 6654 (1100300) 6655 (1100400) 3/8" x 7/16" N.F. N.C. X 65, X 66
6651 (4096700) 6652 (1100100) 6653 (1100200) 6654 (1100300) 6655 (1100400) 3/8" x 7/16" N.F. N.F. 31, X 63, X 65, X 66
3151 (4095000) 6653 (1100200) 6653 (1100200) 6654 (1100300) 6655 (1100400) 7/16" x 7/16" N.F. N.F. 31
31551 (4097500) 4153 (1079700) 4157 (1080200) 4154 (1079900) 4155 (1080100) 1.125 2.062 9/16" x 1/2" N.C. N.C. 3150
4151 W (4095700) 4152 (1079600) 4153 (1079700) 4154 (1079900) 4155 (1080100) 5/8" x 1/2" N.C. N.C. 11740 C
4151 (4095600) 4152 (1079600) 4152 (1079600) 4154 (1079900) 4155 (1080100) 5/8" x 5/8" N.C. N.C. 3162, 3175, 3187, 3200, 3212 4200, 4225, 4237, 4250, 4275
3333 (4095100PT) 3552 (1076800) 3332 (1074000) 3554 (1077500) 3555 (1077700) 1.500 2.75 3/4" x 3/4" N.C. N.C. 3360 Head
3532 (4095300) 3552 (1076800) 3533 (1076500) 3554 (1077500) 3555 (1077700) 1.593 3/4" x 3/4" N.C. N.C. 3540, 3560 Head 3/4 N.C. Rotor Thread
3531 (4095200) 3557 (1077800) 3533 (1076500) 3554 (1077500) 3555 (1077700) 7/8" x 3/4" N.C. N.C. 3540, 3560 Head 7/8 N.C. Rotor Thread

5/8" N.C. thru 1-3/8" N.F. Thread Combinations

For adapting cleaning heads to cleaning motors
U-joints, components and (ordering numbers)

Drag your finger across the table to scroll

Universal Jont No. Shaft Jaw Head Jaw Link Pin (2 req.) U-Joint O.D. (in.) Overall Length (in.) Thread Size Cleaner Kits Used On
2251 (4094700) 3553 (1077400) 3553 (1077400) 3554 (1077500) 3555 (1077700) 1.500 2.750 5/8" x 5/8" N.C. N.C.  
2151 (4094600) 3552 (1076800) 3553 (1077400) 3554 (1077500) 3555 (1077700) 3/4" x 5/8" N.C. N.C. 3225, 3237
3551 (4095400) 3552 (1076800) 3552 (1076800) 3554 (1077500) 3555 (1077700) 3/4" x 3/4" N.C. N.C. 4300, 4300 A, 4325
3551 A 3552 (1076800) 3552 (1076800) 3554 A 3555 (1077700) 2.625 3/4" x 3/4" N.C. N.C. 15 Deg. Restricterd
1551 253 1553 (1046500) 654 (1029900) 255 (1025310PT) 1.625 3.437 3/4 x 5/8" N.C. N.C.  
251 253 253 654 (1029900) 255 (1025310PT) 3/4" x 3/4" N.C. N.C.  
21451 (4097400) 21452 (1133400) 1553 (1046500) 654 (1029900) 255 (1025310PT) 7/8" x 5/8" N.C. N.C. 3250, 3262
651 H (4094300) 653 (1029600PT) 653 (1029600PT) 654 (1029900) 655 (1030200) 1.750 3/4" x 3/4" N.C. N.C.  
651 (4094100) 652 (1029400) 653 (1029600PT) 654 (1029900) 655 (1030200) 7/8" x 3/4" N.C. N.C. 3275, 3287, 4350
651 A 652 (1029400) 653 (1029600PT) 654 A 655 (1030200) 3.218 7/8" x 3/4" N.C. N.C. 15 Deg. Restricterd
551 (4094000) 652 (1029400) 652 (1029400) 654 (1029900) 655 (1030200) 3.437 7/8" x 7/8" N.C. N.C. 4400, 4425, 4450, 4450 A
21051 (4097000) 1152 (1043600) 21053 (1121900) 1154 (1044100) 1155 (1044200) 1.937 3.687 1" x 3/4" N.F. N.C. 3300, 3306
1151 (4094400) 1152 (1043600) 1153 (1044000) 1154 (1044100) 1155 (1044200) 1" x 7/8" N.F. N.C. 3312, 3318, 3325, 3337
20751 (4096900) 5052 (1085600PT) 1153 (1044000) 1154 (1044100) 5055 (1086000) 1155 (1044200) 2.250 4.062 1-1/8" x 7/8" N.F. N.C. 3350 through 3475
5051 (4095800) 5052 (1085600PT) 5057 (1086800) 1154 (1044100) 5055 (1086000) 1-1/8" x 7/8" N.F. N.C. 4481, 4500, 4537
5051 E 5052 (1085600PT) 5053 1154 (1044100) 5055 (1086000) 1-1/8" x 1" N.F. N.F. 4575, 4600, 4650, 4712, 4762
5051 H (4096000) 5052 (1085600PT) 5052 (1085600PT) 1154 (1044100) 5055 (1086000) 1-1/8" x 1-1/8" N.F. N.F.  
21251 H (4097300) 21252 (1128500) 21257 (1130100) 21254 (1128800) 21255 (1129000) 2.437 5.312 1-3/8" x 1" N.F. N.F. 3500 through 3900
21251 (4097100) 21252 (1128500) 21253 (1128700) 21254 (1128800) 21255 (1129000) 1-3/8" x 1-1/8" N.F N.F 3975 through 31325
21251 A (4097200) 21252 (1128500) 21252 (1128500) 21254 (1128800) 21255 (1129000) 1-3/8" x 1-3/8" N.F N.F.  

  Features

Features currently unavailable.

  Dimensions

Dimensions currently unavailable.

  Catalogs

  Contact mdi

Please fill out the form below and your personal mdi product expert will email you your quote. The more information that you provide the quicker we can send you a quote. Sending an incomplete quote request could mean that we have to contact you for necessary information before sending your quote. And know that our knowledgeable sales staff is standing by to help you with your order and with any questions.

In a rush? Use our Quick Contact form to get in touch with us fast!

If you have about five minutes to spare, though, you can save time on the quoting process by filling out the form below.






Please include your contact information so that we may reply to your request. Your contact information is private and will not be sold to any third party or used negatively in any way.







mdi does not advertise prices online. The cost of products is subject to change over time. In order to extend to you the best price that we can offer, we prefer to create written and emailed quotes which reflect any discounts or promotions currently available. Some products can be quoted over the phone, and expediting quotes and orders is always available per request.

See our Terms and Conditions for more information about the mdi sales process.


Call us any time Monday through Friday 7:30 AM to 5:30 PM ET.

Phone: (813) 241-4900 | Toll Free: 800-761-4298
Fax: (813) 571-0422 | Email or Fill Out the Form Above