| Image | Item No. | Description | By |
| 6538a | Technic, Axle Connector 2L (Ridged with + Hole + Orientation)
Catalog: Parts: Technic, Connector | 120 |
| 6538b | Technic, Axle Connector 2L (Ridged with x Hole x Orientation)
Catalog: Parts: Technic, Connector | 5729 |
| 6538c | Technic, Axle Connector 2L (Smooth with x Hole + Orientation)
Catalog: Parts: Technic, Connector | 18211 |
| 26287 | Technic, Axle Connector 3L
Catalog: Parts: Technic, Connector | 146 |
| bb0522 | Technic, Axle Connector 4L with 2L Crowned Pulley
Catalog: Parts: Technic, Connector | 6 |
| 32307 | Technic, Axle Connector Block 3 x 6 with 6 Holes
Catalog: Parts: Technic, Connector | 4 |
| 98585 | Technic, Axle Connector Block Round with 2 Pin Holes and 3 Axle Holes (Hero Factory Weapon Barrel)
Catalog: Parts: Technic, Connector | 1274 |
| 45590 | Technic, Axle Connector Double - Flexible Rubber
Catalog: Parts: Technic, Connector | 37 |
| 57585 | Technic, Axle Connector Hub with 3 Axles
Catalog: Parts: Technic, Connector | 63 |
| 48723 | Technic, Axle Connector Hub with 4 Bars and Pin Hole
Catalog: Parts: Technic, Connector | 26 |
| 68888 | Technic, Axle Connector Hub with 4 Bars and Through Axle Hole
Catalog: Parts: Technic, Connector | 17 |
| 24122 | Technic, Axle Connector Hub with Two Bar Holders Perpendicular (Lightsaber Hilt)
Catalog: Parts: Technic, Connector | 1085 |
| x928cx1 | Technic, Axle Connector Rectangular Triple Spring-Loaded
Catalog: Parts: Technic, Connector | 133 |
| 32039 | Technic, Axle Connector with Axle Hole
Catalog: Parts: Technic, Connector | 7247 |
| 46834 | Technic, Clutch Connector Female / Outside
Catalog: Parts: Technic, Connector | 2721 |
| 18948 | Technic, Driving Ring Connector
Catalog: Parts: Technic, Connector | 22855 |
| 32175 | Technic, Pin Connector 3 x 3 with Axle and 3 Pin Holes
Catalog: Parts: Technic, Connector | 1222 |
| 15461 | Technic, Pin Connector 3L with 2 Pins and Center Hole
Catalog: Parts: Technic, Connector | 20 |
| 32333 | Technic, Pin Connector Block 1 x 5 x 3
Catalog: Parts: Technic, Connector | 9 |
| 32172 | Technic, Pin Connector Block 3 x 3 x 1
Catalog: Parts: Technic, Connector | 10 |
| 32305 | Technic, Pin Connector Block 7 x 3
Catalog: Parts: Technic, Connector | 1 |
| 39793 | Technic, Pin Connector Block, Liftarm 1 x 3 x 3
Catalog: Parts: Technic, Connector | 801 |
| 67139 | Technic, Pin Connector Block, Liftarm 1 x 3 x 5 with Cutout
Catalog: Parts: Technic, Connector | 12 |
| 44809 | Technic, Pin Connector Perpendicular 2 x 2 Bent
Catalog: Parts: Technic, Connector | 969 |
| 11455 | Technic, Pin Connector Perpendicular 2 x 4 Bent
Catalog: Parts: Technic, Connector | 10 |
| 55615 | Technic, Pin Connector Perpendicular 3 x 3 Bent with 4 Pins
Catalog: Parts: Technic, Connector | 25 |
| 2393 | Technic, Pin Connector Perpendicular 3L with 2 Pins
Catalog: Parts: Technic, Connector | 3 |
| 90634 | Technic, Pin Connector Perpendicular 3L with 2 Pins, 2 Ball Joint on Axle
Catalog: Parts: Technic, Connector | 1 |
| 48989 | Technic, Pin Connector Perpendicular 3L with 4 Pins
Catalog: Parts: Technic, Connector | 53 |
| 32557 | Technic, Pin Connector Perpendicular Double 3L
Catalog: Parts: Technic, Connector | 384 |
| 32530 | Technic, Pin Connector Plate 1 x 2 x 1 2/3 with 2 Holes (Double on Top)
Catalog: Parts: Technic, Connector | 180 |
| 32529 | Technic, Pin Connector Plate with One Hole (Single on Bottom)
Catalog: Parts: Technic, Connector | 39 |
| 62462 | Technic, Pin Connector Round 2L with Slot (Pin Joiner Round)
Catalog: Parts: Technic, Connector | 73070 |
| 75535 | Technic, Pin Connector Round 2L without Slot (Pin Joiner Round)
Catalog: Parts: Technic, Connector | 9948 |
| 87745 | Technic, Pin Connector Round Curved with Fin and Hole
Catalog: Parts: Technic, Connector | 516 |
| 90202 | Technic, Pin Connector Round with 4 Clips (Horizontal Grip)
Catalog: Parts: Technic, Connector | 18 |
| x383 | Technic, Pin Connector Round with Slot, Bar Lengthwise and Bars Out (Soccer Goalie Stick Holder Pivot)
Catalog: Parts: Technic, Connector | 31 |
| 48496 | Technic, Pin Connector Toggle Joint Smooth Double with 2 Pins
Catalog: Parts: Technic, Connector | 12 |
| 87408 | Technic, Pin Connector Toggle Joint Smooth Double with Axle and Pin Holes
Catalog: Parts: Technic, Connector | 24 |
| 62520c01 (Inv) | Technic, Universal Joint 3L
Catalog: Parts: Technic, Connector | 56 |
| 62519 | Technic, Universal Joint 3L, Center
Catalog: Parts: Technic, Connector | 12 |
| 62520 | Technic, Universal Joint 3L, End
Catalog: Parts: Technic, Connector | 24 |
| 9244c01 (Inv) | Technic, Universal Joint 4L
Catalog: Parts: Technic, Connector | 17 |
| 91 | Technic, Universal Joint 4L, Center
Catalog: Parts: Technic, Connector | 13 |
| 90 | Technic, Universal Joint 4L, End
Catalog: Parts: Technic, Connector | 6 |