1 Pack R8 to JT6 Drill Chuck Arbor Adapter 7/16-20 Thread compatible with Bridgeport R8 Spindle
US$5.44
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US$5.44
Price when purchased online
Free shipping
Free 30-day returns
Sold and shipped by awardsclub.co.uk
Free 30-day returns Details
Product details
| Management number | 250130180 | Release Date | 2026/09/17 | List Price | US$5.44 | Model Number | 250130180 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- R8 to JT6 adapter compatibility: fits R8 spindle mills and JT6 drill chucks; compatible with Bridgeport knee mills, compatible with Jet R8 mills, compatible with Grizzly R8 machines for quick chuck changes.
- Drill chuck arbor design: alloy steel body with precision ground JT6 taper and R8 shank; 7/16-20 UNF drawbar thread provides secure retention and concentric alignment for accurate drilling on milling machines.
- Milling machine conversion: converts an R8 spindle to accept JT6 keyed drill chucks, enabling drilling, reaming, and light boring operations without swapping tool holders or removing existing spindle tooling.
- Runout control notes: JT6 male taper seats smoothly in matched chucks; apply light oil on the taper; verify R8 spindle cleanliness and 7/16-20 drawbar length to achieve stable clamping during operation.
- Workshop application range: suitable for home garage mills, vocational classrooms, maintenance departments, prototype labs, and fabrication shops requiring frequent chuck changes and precise hole making.
| ASIN | B0H2R365BL |
|---|---|
| Size | R8 to JT6 |
| Color | Metallic |
| Item Weight | 14.8 ounces |
| Part Number | 416-BC |
| Manufacturer | YINETTECH |
| Item model number | R8-JT6-7/16-20 UNF |
| Package Dimensions | 5.51 x 2.36 x 1.5 inches |
| Item Package Quantity | 1 |
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