QI Series — Inch Small Ball Joints
QI Series
Quick Release Ball Joints
Quick Release Design · Stainless Optional · Zinc-Plated Carbon Steel Construction · Stainless Spring
5
Available Sizes
4
Image Views Included
Full Spec Range
Search by spec.
| Part No. | D1 | D2 | A | F | J | L | M | N | P | Qty | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| QI187 | 10-32-2B | 10-32-2A | 0.125 | 0.438 | 0.313 | 0.438 | 1.094 | 0.906 | 0.438 | ||
| QI250 | 1/4-28-2B | 1/4-28-2A | 0.125 | 0.469 | 0.375 | 0.562 | 1.250 | 0.969 | 0.531 | ||
| QI312 | 5/16-24-2B | 5/16-24-2A | 0.156 | 0.531 | 0.437 | 0.625 | 1.453 | 1.125 | 0.605 | ||
| QI375 | 3/8-24-2B | 3/8-24-2A | 0.187 | 0.687 | 0.500 | 0.750 | 1.750 | 1.375 | 0.812 | ||
| QI500 | 1/2-20-2B | 1/2-20-2A | 0.250 | 0.875 | 0.625 | 1.000 | 2.530 | 2.030 | 1.000 |
Technical Spec.
- Housing: Carbon steel 1045 for quick-release ball-joint bodies with dependable structural strength.
- Ball Stud: Carbon steel 1045 for stable stud articulation under compact linkage loads.
- Shell: Carbon steel 1020 with a stainless spring for quick disconnect operation.
- Surface: Silver or yellow zinc plated, with stainless option available when corrosion resistance requirements are higher.
Notes
- Quick release design: intended for assemblies that require repeated disconnect and reconnection without full hardware disassembly.
- Stainless version: add
Sto the prefix when stainless material is required, for exampleSQI375. - Left-hand version: add
LHto the part number when left-hand thread is required.