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WES1615 collets are the short quick change series. They fit any short quick change drill motor and the Wescon WES1760 short quick change chuck, for right angle drilling where a full length collet would not clear. Each collet takes a standard straight shank drill and drops into the chuck without tools.
Eight sizes from #50 (0.070 in) to F (0.257 in), including #40, #30, #21, #20, #10 and 3/16 in. Keep one loaded per drill size and change bits in seconds. Custom bore sizes are made to order. Made in USA.

Short quick change drill collets for short quick change drill motors and the WES1760 chuck on right angle drills. Standard shank drill bits from #50 (0.070 in) to F (0.257 in). 8 stock sizes, custom sizes on request.
| Part Number | Chuck Type | Mount Type | Size | Lead Time |
|---|---|---|---|---|
| WES1615-10 | Collet Chuck | Quick Change | #10 (0.1935in) | Ships in 2 Weeks |
| WES1615-1875 | Collet Chuck | Quick Change | 3/16 (0.1875in) | Ships in 2 Weeks |
| WES1615-20 | Collet Chuck | Quick Change | #20 (0.1610in) | Ships in 2 Weeks |
| WES1615-2500 | Collet Chuck | Quick Change | 1/4 (0.2500in) | Ships in 2 Weeks |
| WES1615-30 | Collet Chuck | Quick Change | #30 (0.1285in) | Ships in 2 Weeks |
| WES1615-40 | Collet Chuck | Quick Change | #40 (0.0980in) | Ships in 2 Weeks |
| WES1615-50 | Collet Chuck | Quick Change | #50 (0.0700in) | Ships in 2 Weeks |
| WES1615-F | Collet Chuck | Quick Change | F (0.2570in) | Ships in 2 Weeks |
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.