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Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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Description
Hillman 3/8 in. Diameter x 2-1/2 in. Length Zinc-Plated Steel Hex Tap Bolt, 50-PackHillman Zinc Plated Steel Hex Tap Bolts, 3 8 in. x 2 1 2 in., 50 Pack Durable zinc plated steel hex tap bolts for general construction and automotive applications. Fully threaded design provides strong holding power and versatility in pre tapped or through hole assemblies. Key Features: Corrosion Resistance: Zinc plated finish helps protect against rust in indoor and sheltered outdoor use Strong Steel Build: Grade 2 carbon steel suitable for light to
Hillman Zinc-Plated Steel Hex Tap Bolts, 3/8 in. x 2-1/2 in., 50-Pack
Durable zinc-plated steel hex tap bolts for general construction and automotive applications. Fully threaded design provides strong holding power and versatility in pre-tapped or through-hole assemblies.
Key Features:
- Corrosion Resistance: Zinc-plated finish helps protect against rust in indoor and sheltered outdoor use
- Strong Steel Build: Grade 2 carbon steel suitable for light to medium-duty fastening
- Fully Threaded Shank: Offers maximum adjustability and grip along the entire 2-1/2 in. length
- Hex Head Drive: Standard hex head for easy installation with wrench or socket
- Bulk Value Pack: 50 bolts per box for efficient stocking and project use
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Hillman |
| Product Type | Hex Tap Bolt |
| Material | Steel |
| Finish | Zinc Plated |
| Grade | 2 |
| Diameter | 3/8 in. |
| Length | 2-1/2 in. |
| Thread Type | Fully Threaded |
| Head Style | Hex |
| Number in Package | 50 |
| Packaging Type | Boxed |
| Weight | 4 lbs |
| UPC | 008236175011 |
Frequently Asked Questions (FAQ):
Q: Are nuts and washers included?
A: No—this listing is for bolts only; nuts and washers are sold separately.
Q: What size wrench or socket fits?
A: Use tools sized for a 3/8 in. hex tap bolt head; verify with your preferred socket set.
Q: Can these be used outdoors?
A: The zinc plating offers basic corrosion resistance for dry or sheltered areas; for harsh or wet environments, consider stainless or hot-dip galvanized fasteners.
Q: Are the threads coarse or fine?
A: These are fully threaded hex tap bolts; thread type is standard for this size as supplied by Hillman.
Q: What is the unit of measure?
A: Pack contains 50 bolts, each 3/8 in. diameter by 2-1/2 in. length.
Streamlined Utility with a Polished Edge
These zinc-plated hex tap bolts deliver a crisp, engineered look that tidies up any exposed hardware moment. The bright finish catches light softly, pairing beautifully with galvanized shelving or raw timber for an industrial-chic spirit. Style them with matching washers and nuts to create a consistent, intentional detail on custom furniture or open-storage builds. It’s the little hardware luxury that makes a project feel impeccably finished.
Stock up on this 50-pack of zinc-plated hex tap bolts for reliable, clean-looking fastening on your next build.
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
4.0 ★★★★★
Based on 586 reviews
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Product Reviews
★★★★★ 5
Great entertainment, charges quickly!
Color: Orange
Super fun entertainment for dog! Toy ball charges quickly and the charge lasts for at least an hour of playtime for the dog. There are 2 modes. one mode Just lights up, which makes it easy for pet to chase it. The second mode not only lights up, but it also wiggles on the ground Randomly and speeds off in a direction on its own, which really makes it interesting for your dog or cat to follow! Once the ball is not touched for about thirty seconds, it goes dormant and it will stay like that As long as it's charged until somebody touches it, and then it starts up randomly lighting up and moving around the floor on its own And making a vibration noise. It's a lot of fun to watch the dog chase and play with, and it certainly keeps them entertained for a while! The laughs and fun entertainment are definitely worth it. The only downside is that my dog chewed off the soft fabric covering in about twenty minutes.And she's not a real big chewer. It looks better with the covering on it, but even without it, the ball works fine and she plays with it every day.So that is not a showstopper. But good to supervise your dog for safety.In case they are a chewer, and they decide to destroy the cover. But the ball works fine without the cover too!
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Reviewed in the United States on March 12, 2026
★★★★★ 4
Looooves her crazy new ball
Color: Orange, Color: Orange
Our 90lb mastiff/boxer mix Indie is very playful, curious and energetic. She needs toys that engage her and keep her busy. This ball does the job!
We’ve had it for less than a week. Here’s what I love and what could be better:
PROS:
• She dog loves it. She whines for it. She gets absurdly excited when I get it out. She’s a bit of an anxious dog, but had zero problems with it inexplicably coming to life.
• It lasts a while on a single charge, so it keeps her busy for a good long time. The longest we’ve used it at a stretch is an hour.
• It’s pretty durable. She’s a super chewer (destroyed every “non-destructible” toy we’ve purchased for her), but the actual ball is hard plastic. She gnaws on it and it gets scratches, for sure. But she’s not going to chew it to pieces.
• On carpet, it’s reasonably quiet.
• It comes with a replaceable silicone button.
• It’s easy to charge…just pull off the silicone button and the charging port is inside.
• The silicone button is flush with the ball’s hard plastic surface, so there’s no way for her to pull the silicone button out and swallow it or get to the charging port.
CONS:
• Cover is worthless if your dog is a chewer. It goes on like an envelope with a Velcro closure. We took it off immediately.
• Without the cover, it’s very noisy on hardwood floors. To us, it’s worth it. (Though, I work from home, so I might feel differently after the holiday vacation.)
• She’s an XL dog, so she can fit the whole ball in her mouth easily and accidentally chomp down on the button and turn the ball off. Not a big deal, just something to know if you’ve got a Lab or larger dog.
• With extended playtime, the two halves can come unscrewed, especially with a large dog who uses their paws/jaws on it a lot. Thankfully, it makes a loud buzzing noise when this happens, so we know we need to take it from her and screw it back together. Is this a potential danger? With the rechargeable battery inside, I’d say yes. But we also don’t let her play with this toy without supervision. So keep that in mind.
Bottom line:
It has its drawbacks, but it keeps her entertained and seems like it should last her at least 6 months with supervised play. Which is honestly REALLY good when we’re talking about Indie, Destroyer of Toys. I’d buy it again.
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Reviewed in the United States on December 31, 2024
★★★★★ 3
Difficult/impossible to unscrew plastic cups (in order to recharge the vibrating/blinking device)
Color: Orange
Generally, I don't leave feedback on items purchased. However, in this case, I feel compelled to do so in hopes the mechanical engineers (of this product) will take my input to heart and ultimately modify it.
First the pros...
- I have 2 high-energy dogs (Jack Russell Terriers) who love their toys (e.g., chewing bones, tug-of-war, etc.) but usually get bored with them rather quickly.
- This interactive PetDroid ball, however, keeps them busy for a long time.
- In fact, my smaller dog (Max) knows its storage location and sits (as early as 6 AM) in front of the cabinet so that I give him "his ball". It keeps him busy for up to 1-2 hours at a time.
- Max is literally addicted to the PetDroid ball... his determinant play with it makes me laugh all the time.
Now, the cons...
- After several days of play, the exterior looks chewed up quite a bit. That's no problem though.
- Unfortunately, the interior "threads/grooves" of the two plastic cups (for closing/fasting) are very tiny.
- Thus, after an hour-long hard play, it is almost impossible to unscrew the 2 plastic cups in order to recharge the interior device.
- It appears the 2 cups somehow come off track and get realigned from the inside.
- At that point, I cannot unscrew the PetDroid ball in order to recharge the device.... and without the blinking/vibration, this toy is no longer fun for play.
- Ultimately, I had to place the bottom half of the ball into a vise and then use a plumbing wrench to untwist it.
Proposed Solution:
- Increase the size of the plastic cups' interior threads/grooves so that they won't get realigned/come off track.
- This would mitigate the current dilemma of NOT being able to unscrew the ball in order to recharge it.
In my view, this should be a relatively simple fix and significantly improve the durability of this product.
Thank you for your time.
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Reviewed in the United States on February 4, 2022
★★★★★ 5
Good fun and entertaining!
Color: Orange
A really fun interactive toy for your dog! It's pretty erratic and really gets him chasing it. The included soft cover was kinda hard to install and then it's hard to turn it off and on with the cover on, I feel like the cover didn't really improve it at all, sure it's louder without the cover but I feel like dog also likes it that way, he likes loud squeaky toys and this thing making a bunch of noise is appealing to him. We have mostly hardwood floors so it really gets moving, I'm sure on carpet it would be a bit quieter and maybe even a bit slower to move around but on hard smooth surfaces this things can really get zipping around abd get some speed to make him chase it. Overall a fun and entertaining toy.
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Awesome
Color: Orange
Awesome Toy . My Jack is crazy over it. She usually get bored with others, but this toy still has her attention after a couple of weeks Runs a long time on a short charge. 👍🏻
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Reviewed in the United States on May 30, 2026