With overload protection device inside the chucks toraue adiustable
Show the specification in the order, with diameter of shank in the form as 19-3.5 x 2.7-ll
J45 Tapping Collet TC312 TC820 TC1433 is a high precision quick-change tapping collet designed for CNC machining and tapping operations. It is suitable for various tapping chucks and provides reliable clamping performance for different sizes of taps. The collet features an overload protection clutch design, which helps prevent tap breakage by releasing when the preset torque is exceeded, improving machining safety and tool life.
Made from high-quality alloy steel with precision grinding, this tapping collet offers excellent wear resistance, high concentricity, and stable torque transmission. Available in TC312, TC820, and TC1433 sizes, it covers a wide range of tap applications from small to large diameter threads, including metric and inch taps
| 型号 Modle Dxa | d ( mm) | DIN371 | DIN374 | DIN376 | |
| 3.5×27 | 19 | M3 | M5 | M5 | |
| 4×3 | M3.5 | ||||
| 4.5×3.4 | M4 | M6 | |||
| 6×4.9 | M5 | ||||
| 6×4.9 | M6 | ||||
| 6×4.9 | M8 | M8 | |||
| 7×5.5 | 31 | M10 | M10 | ||
| 8×6.2 | M8 | ||||
| 9×7 | M12 | M12 | |||
| 10×8 | M10 | M13 | M13 | ||
| 11×9 | 48 | M14 | M14 | ||
| 12×9 | M16 | M16 | |||
| 14×11 | M18 | M18 | |||
| 16×12 | M20 | M20 | |||
| 18×14.5 | M22 | M22 | |||
| 18×14.5 | M24 | M24 | |||
| 20×16 | M27 | M27 | |||
| 22×18 | M30 | M30 | |||
| 25×20 | M33 | M33 | |||
| 28×22 | M36 | M36 | |||
A: J45 tapping collet is a quick-change collet for J45 torque overload tapping chuck. It holds taps with overload slip function to prevent tap breakage. Common sizes: J4512(M4-M12), J4520(M5-M24), J4536(M14-M36).
A: Collet must match J45 tapping chuck body. J4512 collet only fits J4512 holder, cannot cross use with J4520/J4536. Confirm metric or JIS tap standard.
A: Internal spring friction mechanism. It slips automatically once torque overload, stop power transmission to protect tap from breaking. Torque can be adjusted.
A: J45: quick change + torque overload protection specially for tapping. ER collet only rigid clamping without overload protection. Not interchangeable.
A: Over-tight torque setting, chips on contact surface, worn tap, insufficient coolant or too loose torque causing slip. Solution: Clean parts, adjust torque and add cutting fluid.
A: Put tap into J45 collet, insert collet into J45 tapping holder, adjust torque. Pull out directly for quick tap change. Never hammer the collet.
A: Radial drill, milling machine, machining center, tapping for steel, cast iron and aluminum.
A: Clean chips after use. Lubricate friction parts regularly. Protect locating shoulder from impact. Replace when slipping fails.
A: Yes, J45 tapping collets can be purchased separately.
A: DIN371, DIN374, metric and JIS machine taps.
Other Products
This unit is used for boring,milling,drilling,tapping,grinding and engraving operation etc.
5c Collet Square Hex 5C Collet Chuck For Lathe
This unit is applicable to all sorts of lathes, which spindle taper hole is 5C, such as automatic lathes, CNC lathes etc.
Type: EOC16B EOC20B EOC25B EOC32B EOC40B EOC50B This unit is used for boring,milling,drilling,tapping,grinding and engraving operation etc.
The collet does not have an elastic shrinkage range, emphasizing the clamping force
EOC nut has high rigidity,strong clamping force,convenient for engraving machine,spindle machine,extension shank,locking spring collet.
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Tel: +86 534 425 1888
Mob/WhatsApp/Wechat: +86 137 9138 1619
E-mail: jacksun@ht-tools.net
Add.:East Area of Economic Development Area, Pingyuan County, Shandong Province. China 253100
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