Jacobs Drill Chuck No 3B
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ConditionUsed
1 available
$70.00 USD
Jacobs Drill Chuck No 3B
USED
Brand: Jacobs
Tool: Drill Chuck
Model: No 3B
Capacity: 1/8" to 5/8" (3 mm to 16 mm)
Mount Type: Threaded mount (commonly 5/8"-16 UNF for the standard 3B 5/8 model, with variant options like 1/2"-20)
Key Type: Uses Jacobs K3 chuck key – NOT INCLUDED
Bearing Type: Plain bearing
Accuracy: Center-ground jaws for alignment and straightness with a maximum T.I.R. of 0.004" at half capacity
Build: Fluted/one-piece sleeve design with through-hardened sleeve teeth and hardened nose and keyholes for wear resistance
Other Notes:
Arbor is tapered: Large end measured at .62, small end - .59
Arbor is 3-1/8" long
Drill Chuck moves/rotates just fine without the chuck.
Jacobs Drill Chuck No 3B
USED
Brand: Jacobs
Tool: Drill Chuck
Model: No 3B
Capacity: 1/8" to 5/8" (3 mm to 16 mm)
Mount Type: Threaded mount (commonly 5/8"-16 UNF for the standard 3B 5/8 model, with variant options like 1/2"-20)
Key Type: Uses Jacobs K3 chuck key – NOT INCLUDED
Bearing Type: Plain bearing
Accuracy: Center-ground jaws for alignment and straightness with a maximum T.I.R. of 0.004" at half capacity
Build: Fluted/one-piece sleeve design with through-hardened sleeve teeth and hardened nose and keyholes for wear resistance
Other Notes:
Arbor is tapered: Large end measured at .62, small end - .59
Arbor is 3-1/8" long
Drill Chuck moves/rotates just fine without the chuck.
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