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Description
Jacobs Chuck Jacobs J440 Metric Tap Chuck Collet, 16mm - GW 9749 ColletJacobs J440 Metric Tap Chuck Collet, 16mm GW 9749 A collet is a specialized holding device used in machining and manufacturing processes to secure and grip a work piece or a tool in a machine tool, such as a milling machine or a lathe. It is a type of clamping mechanism designed to provide a strong and precise grip on cylindrical or round objects. Features: Parallel jaw insert surfaces exert uniform, accurate gripping force up to three times greater
Jacobs J440 Metric Tap Chuck Collet, 16mm - GW 9749
A collet is a specialized holding device used in machining and manufacturing processes to secure and grip a work piece or a tool in a machine tool, such as a milling machine or a lathe. It is a type of clamping mechanism designed to provide a strong and precise grip on cylindrical or round objects.
Features:
- Parallel jaw insert surfaces exert uniform, accurate gripping force up to three times greater than can be achieved with split - steel collets
- Each collet accepts and precisely centers a wide range of both decimal or metric diameters (within individual capacity ranges) to speed setups and increase machining productivity
- Durable one - piece construction. Synthetic rubber retains flexibility and resists deterioration from heat, coolants and cutting compounds
- Steel jaw inserts precision ground after molding process to ensure maximum gripping accuracy. Hardened for greater wear resistance than split steel collets
- Each collet bore is held concentric to the old Tapers, front and back, to minimize tier
- Automatically seals tool old To prevent coolant flow through thus increasing tool wear
- Seals collets and machine spindles to protect from abrasive particles and swarf
Specifications:
- A- Cap (in/mm): 0.28-0.5 in/7.1-12.7mm (Refer Drawing Image)
- B- Length (in/mm): 0.63 in/16mm (Refer Drawing Image)
- C- Angle: 45 deg (Refer Drawing Image)
- D- Diameter (in/mm): 1.296 in/32.9mm (Refer Drawing Image)
- Head Diameter: 32.9mm
- Model: J440
- Collet Type: Tap
- Number of Inserts: 6
- Compatible with Product Type: Collet Chucks
- Coolant Fed: Non-Coolant Through
- For Shank Type: Round
- Maximum Size: Round 1/2 in
- Measurement System: Metric
- Country of Origin: Germany
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Fantastic dog toy
Size: Large, Product Packaging: Standard Packaging
Fantastic dog toy, probably my dogs favorite. It’s really durable, my dogs a heavy chewer and this toy has lasted several weeks. Will definitely buy again
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Tough and Long-Lasting Toy for Heavy Chewers
Size: Large, Product Packaging: Standard Packaging
The KONG Extreme Tires are built for dogs who chew through just about everything else. Made from KONG’s most durable rubber, the toy is designed to stand up to strong jaws while also offering a fun shape that dogs enjoy rolling, chasing, and chewing. The tire design has grooves that can be stuffed with treats or peanut butter, which helps keep dogs engaged for longer play sessions.
This toy is especially useful for large breeds or heavy chewers who usually destroy softer toys in minutes. While no toy is completely indestructible, the Extreme Tires hold up far better than most and provide both chewing satisfaction and mental stimulation. The size is hefty and best suited for medium to large dogs, and smaller breeds may find it too heavy.
Pros: The rubber is extra durable, the tire shape adds variety and fun, and the grooves can be filled with treats for extra engagement.
Cons: It may be too heavy for smaller dogs, strong chewers can still wear it down over time, and it isn’t designed to bounce or fly like other KONG toys.
A rugged and reliable toy made for power chewers. The Extreme Tires provide long-lasting fun and double as a great option for treat-stuffing, making it one of KONG’s toughest and most useful toys.
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Reviewed in the United States on August 30, 2025
★★★★★ 5
Strong toy
Size: Large, Product Packaging: Standard Packaging
Nice, but smaller than I expected.
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Reviewed in the United States on May 16, 2026
★★★★★ 4
Small means small
Size: Small (Pack of 1), Product Packaging: Standard Packaging, Size: Small (Pack of 1), Product Packaging: Standard Packaging
To small for 2 month German Shepherd. It was my bad for ordering a small. But I never saw product specs saying the actual size. Remember never buy a to small of toy for your puppy as it’s a choking hazard.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Totally indestructible
Size: Large, Product Packaging: Standard Packaging
My daughter's lab kills any toy he gets. This was perfect! We accidentally left it in his kennel while out one day and it was still in perfect condition. Totally worth the money if you dog is a tyrant with toys!!
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Reviewed in the United States on May 11, 2026