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The Jacobs 3655 K4 Thumb Handle Chuck Key is designed for Jacobs Series 36, 16N, and 18N keyed chucks, featuring a 3/8-inch pilot size. Its ergonomic nickel thumb grip enhances user comfort and leverage, while the soft steel handle minimizes fracture risks. The self-ejecting mechanism ensures effortless disengagement after use, making it a reliable tool for professionals. Backed by a one-year warranty, this lightweight chuck key is a must-have for any toolkit.
| Manufacturer | Jacobs Chuck |
| UPC | 095456036550 |
| Part Number | 3655DD |
| Item Weight | 0.4 ounces |
| Product Dimensions | 5.2 x 2.2 x 1.1 inches |
| Item model number | 3655DD |
| Is Discontinued By Manufacturer | No |
| Size | 3/8-Inch Pilot-Size |
| Power Source | Hand Powered |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Number of Handles | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Jacobs chucks, chuck keys, tool holders, work holders, and accessories, manufactured or distributed by The Jacobs Chuck Manufacturing Company, are warranted to be free from defects in materials or workmanship for one year from the date of purchase. The warranty is limited to repair or replacement of the defective product or to a full refund of its purchase price |
C**A
Just what I needed
Bought a Jacobs chuck without a key, got this and it works perfectly.
B**Y
Can’t go wrong with Jacob’s brand.
I use this tool everyday at work. And over 15 years i have had to buy three due to wear. Last time I got 2 extra as gifts to coworkers so they don’t have to barrow mine anymore !
G**L
Exactly as described
Hurray, it fits!
M**E
Works well
The original chuck key had been damaged and was inoperable. The replacement chuck key worked just like it was intended. I would recommend this product for anyone who would need to replace their chuck key.
T**O
Good Product for the Price
Good Product for the Price.Time frame was delivered as promised
J**.
The industry standard
This Jacobs chuck-key, is the real thing', made by Jacobs in the USA. This size is for a fairly large 5/8" capacity drill chuck with a 3/8" inch pilot. It is obviously a quality American made tool . . .
A**Y
Quality and service
good product , fast Service !!
W**E
I was given a drill press that didn't have a ...
I was given a drill press that didn't have a chuck wrench. It has a 3/4" chuck that would not fit this new chuck wrench (the hole in the chuck was too small) so I drilled out the chuck pivot hole so that this new chuck wrench will now fit and works well.
E**C
It's a real Jacob Key
It's a real Jacob KeyThe pilot diameter is 0.372"The gear OD is 1.100" (tips are rounded)The gear thickness is 0.500"The gear have 12 tooth
J**O
Five Stars
perfect !