KnKut Carbide Tipped Hard Steel Drill Bit, 1/4 in x 4 in - KK9-1/4-4
SKU: 89744173010

KnKut Carbide Tipped Hard Steel Drill Bit, 1/4 in x 4 in - KK9-1/4-4

$13.78 $15.31
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Description

KnKut Carbide Tipped Hard Steel Drill Bit, 1/4 in x 4 in - KK9-1/4-4KnKut Carbide Tipped Hard Steel Drill Bit, 1 4 in x 4 in KK9 1 4 4 KnKut Hard Steel Drills are Carbide Tipped and made for use in drilling hardened steel in the range of 48 to 65 Rockwell "C". Holes may be drilled without annealing or appreciably changing the structure of the material. This drill bit can be used for drilling Broken Studs, Spring Bolts, Die Sections, Broken Easy Outs, Extra Tough Metals, Exotic Metals, Brake Drums, Broken Taps, etc.

KnKut Carbide Tipped Hard Steel Drill Bit, 1/4 in x 4 in - KK9-1/4-4

KnKut Hard Steel Drills are Carbide Tipped and made for use in drilling hardened steel in the range of 48 to 65 Rockwell "C". Holes may be drilled without annealing or appreciably changing the structure of the material. This drill bit can be used for drilling Broken Studs, Spring Bolts, Die Sections, Broken Easy Outs, Extra Tough Metals, Exotic Metals, Brake Drums, Broken Taps, etc. Note: Heavy Pressure and low R.P.M.'s recommended. Cutting oil should be used. Recommended for use in drill presses, but can be used in portable drills.

Specifications:

  • Country of Manufacture: United States
  • Length: 4.00
  • Width: 0.25
  • Diameter: 1/4 in
  • Shank Diameter: 1/4 in
  • Weight: 0.5 lbs
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 89744173010

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4.5 ★★★★★
Based on 344 reviews
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Product Reviews
A
AmazonCustomer
San Leandro, US
★★★★★ 5
The Ball Never Gets Boring
Color: ‌Tangerine - 3.15Inch
My dog was immediately curious about this ball, and that curiosity turned into a surprisingly long play session. The movement keeps things unpredictable enough that it holds attention longer than a standard toy. I liked that it encouraged activity without requiring me to constantly throw something across the room. The textured surface also seemed easy for my dog to grab and carry around. One thing I noticed is that hard floors allow the ball to move around much more dramatically than carpet. It feels sturdy enough to handle enthusiastic play and occasional chewing. The bright color makes it easy to spot when it inevitably ends up under furniture. Charging was simple and didn’t become a hassle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 13, 2026
A
Amazon Customer
Fort Morgan, US
★★★★★ 5
Tough build for rowdy play sessions
Color: ‌Tangerine - 3.15Inch
I picked up this motorized E-TPU dog ball last Thursday to keep my German Shepherd occupied during my afternoon video conferences in Folsom. The product quality is evident in the spongy, high-density foam construction, which provides a satisfying grip for his jaws without sustaining a single tear or puncture. The built-in motion sensor is highly responsive, sending the ball into an unpredictable frenzy of hops and spins whenever it gets nudged. It offers excellent value for money because the structural integrity holds up perfectly against aggressive chewing that would normally shred standard rubber toys in minutes. For a parent or professional needing a functional, autonomous distraction to burn off their pet's excess energy indoors, this rugged smart toy delivers a very reliable and quiet performance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
G
Glamper
Los Angeles, US
★★★★★ 5
My dog really likes it
Color: ‌Tangerine - 3.15Inch
My golden retriever has a lot of energy, especially on rainy days when we can’t stay outside for long. This rolling ball has been a fun way to keep him entertained indoors. The movement is unpredictable enough to keep him interested, and he’ll follow it around the living room until he’s ready for a nap. The material has held up well to daily play, and it’s easy to recharge when needed. Watching him chase it around has honestly been entertaining for the whole family. Great toy for keeping active dogs busy. What I like most is that it gives him something to do without needing constant attention from us. The ball rolls on its own, changes direction, and keeps him engaged much longer than some of his other toys. A nice option for dogs that need extra stimulation during the day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
C
Verified Purchase
C. Rocco
Massapequa, US
★★★★★ 5
Keeps my puppy happy!!
Color: Orange - 3.15Inch
My 8 month old puppy loves this ball!! He is so happy when we charge it up for him!! It's great because it keeps him busy for a few minutes and it tires him out. This is our second one so we always have one ready to go for him.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
D
Verified Purchase
Dayami Morales
San Leandro, US
★★★★★ 5
Fun Dog Toy
Color: Orange - 3.15Inch, Color: Orange - 3.15Inch
My Goldendoodle loves this ball! It’s the perfect size, easy to carry, and keeps her busy for a long time. Great purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 10, 2026

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