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The WES1750 quick change chuck mounts on a drill motor spindle with a 3/8-24 or 1/2-20 female thread and takes WES1625 quick change collets. A drill loaded in a collet goes in and out of the chuck without a chuck key, so changing from drill to reamer to countersink is a pull and a push.
Three cap styles: smooth, ridged for grip with gloves, and extended. Quick change is the standard system on many Boeing programs, and Wescon microstops and other 1/4-28 tooling are offered with a matching QC shaft. Made in USA.

Standard series quick change drill chuck, 3/8-24 or 1/2-20 female thread, fits most drill motors. Takes WES1625 quick change collets for fast bit changes. Smooth, ridged or extended cap.
| Part Number | Chuck Type | Mount Type | Thread Size | Cap Type | Lead Time |
|---|---|---|---|---|---|
| WES1750 | Quick Change | Female Thread | 3/8-24 | Ridged Cap | Ships in 2 Weeks |
| WES1750-EXL | Quick Change | Female Thread | 1/2-20 | Extended | Ships Next Business Day |
| WES1750-SC | Quick Change | Female Thread | 3/8-24 | Smooth Cap | Ships Next Business Day |
Looking for equivalent parts from other manufacturers?
Cross Reference SearchWescon USA’s precision drill chucks and quick-change adapters are engineered to eliminate bottlenecks, delivering rapid tool transitions for aerospace mechanics without ever sacrificing concentricity.
Designed for seamless integration into heavy-duty aircraft assembly lines, our Quick-Change Chucks (including the WES1750 and WES1760 series) serve as direct, high-precision upgrades and drop-in replacements for legacy Magnavon tooling. Our pull-collar quick-release systems are fully compatible with industry-standard Boeing quick-change drill bits. This direct compatibility ensures that mechanics can utilize the exact tooling systems and surplus bits their assembly floors already stock.
Manufactured 100% in the USA from premium aircraft-grade materials, our drill chucks mount effortlessly to standard and right-angle pneumatic drill motors. For tight-clearance operations, our specialized short-series collet chucks feature a precise 120-degree seating angle and 1/4"-28 female threads, allowing the use of standard aircraft drill bits in restrictive airframe structures.