SKU: 38254039067

Hillman M8-1.25 mm Diameter x 40 mm Length Heat-Treated Steel Hex Head Cap Screw, 50-Pack

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Description

Hillman M8-1.25 mm Diameter x 40 mm Length Heat-Treated Steel Hex Head Cap Screw, 50-PackM8 1. 25 x 40 mm Heat Treated Steel Hex Head Cap Screws (50 Pack) Durable hex head cap screws engineered from heat treated steel for high strength fastening. Metric M8 1. 25 thread and 40 mm length make them ideal for machinery, automotive, and general repair applications. Key Features: High Strength Construction: Heat treated steel resists shear and tensile stress for reliable clamping force Precise Metric Thread: M8 1. 25 pitch ensures smooth

M8-1.25 x 40 mm Heat-Treated Steel Hex Head Cap Screws (50-Pack)

Durable hex head cap screws engineered from heat-treated steel for high-strength fastening. Metric M8-1.25 thread and 40 mm length make them ideal for machinery, automotive, and general repair applications.


Key Features:

  • High Strength Construction: Heat-treated steel resists shear and tensile stress for reliable clamping force
  • Precise Metric Thread: M8-1.25 pitch ensures smooth engagement with compatible nuts and tapped holes
  • Hex Head Drive: Accepts standard wrench or socket for secure tightening in tight spaces
  • Versatile Length: 40 mm length suits a wide range of assembly and repair tasks
  • Bulk Value Pack: Box of 50 screws keeps projects moving and reduces reorders

Specifications Table:

Specification Details
Thread Size M8-1.25
Length 40 mm
Head Type Hex head cap screw
Material Heat-treated steel
Pack Quantity 50
Product Dimensions (package) 7 x 4.5 x 2 inches
Package Weight 8.8 lb
Brand Hillman

Frequently Asked Questions (FAQ):

Q: What tools do I need to install these screws?
A: Use a metric wrench or socket sized for the M8 hex head along with a compatible M8-1.25 nut or tapped hole.


Q: Are these suitable for outdoor use?
A: They are heat-treated steel; if long-term corrosion resistance is required outdoors, use with appropriate plating or protective coating.


Q: What nuts and washers fit these screws?
A: Use M8-1.25 metric nuts and M8 washers to match the screw diameter and thread pitch.


Q: Can these be used in threaded holes?
A: Yes, they are designed to mate with M8-1.25 tapped holes or matching nuts.


Industrial Strength, Clean Metric Precision

These cap screws deliver a crisp, utilitarian silhouette that brings quiet order to any project. The hex head detail is a subtle nod to industrial elegance, pairing beautifully with matte black hardware or raw woods. Style them with exposed brackets or custom metalwork to showcase their purposeful geometry. A small yet essential component for a polished, performance-driven space.


Equip your toolkit with this 50-pack of heat-treated M8 cap screws for dependable, professional-grade fastening on every project.

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: 38254039067

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Mello99
Battle Creek, US
★★★★★ 5
Slim and Sleek
Size: Small, Color: Black, Size: Small, Color: Black
This slim fit suit was awesome and great. My son loved it and it went perfectly well with my daughter's dress. The perfect way to twin. If anything my son is 5'3 120 lbs and the pants and coat fit a bit long and just took it to a seamstress to get it better fitted for him. Other than that for the price, value, comfort, and look I highly recommend this and so does my son.
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Reviewed in the United States on May 5, 2026
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Verified Purchase
AT
Alexandria, US
★★★★★ 5
Suited me Well
Size: Small, Color: Black
This 2 Piece Slim Fit Suit Set is hands down the best suit for the price. I bought it for a formal Christmas work party, and it was such a cheap, easy, and quick way to get exactly what I needed — especially since I hate shopping. Honestly, you would never guess I paid as little as I did. It looks sharp, fits great, and feels much more expensive than it is. The color was a true black, which I really appreciated. It looked clean and classic — perfect for a formal event. It did arrive a bit wrinkled from the packaging, so I had to iron it initially. But it was very easy to iron, and once I did, it stayed pretty crisp throughout the night. It didn’t wrinkle much at all while wearing it. It’s also way better than going to a store and paying triple the price. And definitely better than renting — now I actually own it and can wear it again whenever I need it. The fit is perfect if you’re slim. I’m skinny as a rail, and the slim fit worked exactly how I hoped. The jacket isn’t too tight, not too long, and I can move my arms easily without feeling restricted. The whole suit is comfortable and easy to move around in — not stiff like some formalwear can be. It also has handy pockets for your phone and wallet. Overall, you can’t go wrong with this suit. Great price, true black color, comfortable fit, and sharp look. Highly recommend.
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Reviewed in the United States on February 22, 2026
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Cynthia F.
Whiting, US
★★★★★ 5
Amazing fit and quality for the price
Size: Medium, Color: Red
Gotta say I was 100% impressed w this suit! And for the price!!?? Nice fabric. Great fit. Great quality. Fit right out of the box! No alterations were even needed. My 14 year old son is 6'2 and around 155lbs. Broad shoulders. Slender build. We ordered the medium and it fit just right. You really cant go wrong w this suit even if you need to get some alterations you cannot beat the price.
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Reviewed in the United States on May 9, 2026
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matthew tucker
Pawtucket, US
★★★★★ 4
Quick Delivery & Surprisingly Good Quality
Size: Large, Color: Light Gray, Size: Large, Color: Light Gray
I needed a suit on short notice and didn’t want to spend a fortune, so I took a chance on this gray suit—and I’m really glad I did. For the price, I wasn’t expecting much, but the quality is honestly impressive. The fabric feels solid and looks sharp, not cheap or shiny like other budget suits I’ve seen. Shipping was fast—I received it in just a couple of days, which was perfect for my tight timeline. The fit was nearly spot-on right out of the box. The jacket and pants fit well overall, though the sleeves were a bit long for my arms. If you need a reliable suit fast without spending a lot, this is a solid option. It exceeded my expectations for the cost and turnaround time.
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Reviewed in the United States on July 17, 2025
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tyeira
Los Angeles, US
★★★★★ 5
men slim fit suit
Size: Small, Color: Red
I bought this suit for an 11 year old child for their sneaker ball at school. i order him a size small in men's (he wears a 32 in men pants) this suit fitted him well. the quality of the suit had actually exceeded my expectation. this suit was worth the money and the material. I would definitely order this suit for a young boy for a dance and you don't have to worry about spending a substantial amount of money. the material for the suit was good quality and I washed it in the washer machine.
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Reviewed in the United States on April 16, 2026

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