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Industrial & Scientific > Fasteners > Screws & Bolts > Cap Screws & Hex Bolts > B006HYEZOA
  1. Steel Hex Bolt, Grade 8, Zinc Plated Finish, Serrated, Flange Hex Head, External Hex Drive, Meets IFI 111/SAE J429, Flanged, Serrated, 1/2
    Steel Hex Bolt, Grade 8, Zinc Plated Finish, Serrated, Flange Hex Head, External Hex Drive, Meets IFI 111/SAE J429, Flanged, Serrated, 1/2
    Steel Hex Bolt, Grade 8, Zinc Plated Finish, Serrated, Flange Hex Head, External Hex Drive, Meets IFI 111/SAE J429, Flanged, Serrated, 1/2
    Steel Hex Bolt, Grade 8, Zinc Plated Finish, Serrated, Flange Hex Head, External Hex Drive, Meets IFI 111/SAE J429, Flanged, Serrated, 1/2
    Steel Hex Bolt, Grade 8, Zinc Plated Finish, Serrated, Flange Hex Head, External Hex Drive, Meets IFI 111/SAE J429, Flanged, Serrated, 1/2
    Image(s) provided for illustrative purposes and may differ from the actual product
  2. Steel Hex Bolt, Grade 8, Zinc Plated Finish, Serrated, Flange Hex Head, External Hex Drive, Meets IFI 111/SAE J429, Flanged, Serrated, 1/2" Length, Fully Threaded, 1/4"-20 UNC Threads, Imported (Pack of 100)

    [B006HYEZOA]
    Delivery: 10-20 Working Days
    Customer Ratings (7 reviews)
    Price R482.00

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Variations
Product Description

  • Grade 8 steel is often used in applications where strength is the primary concern
  • Zinc plating resists corrosion and has a reflective appearance
  • Flange hex head has a serrated flange for additional grip on the mating surface that resists loosening
  • Meets IFI 111 and SAE J429 specifications
Additional Information

The grade 8 steel hex bolt has a zinc plated finish, has a serrated flange hex head with an external hex drive, and meets Industrial Fasteners Institute IFI 111 and Society of Automotive Engineers SAE J429 specifications. Grade 8 steel, composed of quenched and tempered medium carbon alloy steel, is stronger than grade 5 steel and is often used in applications where strength is the primary concern. The material is magnetic. The zinc plating offers corrosion resistance and a reflective appearance. The flange hex head has six flat sides that a wrench can grip to turn from the side, enabling use when there is no space above the head for a screwdriver. The serrated flange acts like a washer to increase the fastener's bearing surface and distribute the clamping force over a larger area, providing a grip that resists loosening.

Cap screws and hex bolts are threaded fasteners with thick hex-shaped heads that can be used with threaded nuts or in areas with limited clearance above the tapped (threaded) hole. Cap screws have slightly different dimensions than hex bolts and have a washer face underneath their unflanged hex head to act as a large bearing surface against the mating material.

Similar Products

Steel Flange Nut, Zinc Plated Finish, Grade 2, Self-Locking Serrated Flange, Right Hand Threads, 1/4
Specifications

Country
USA
Binding
Misc.
Brand
Small Parts
Label
National Threaded Fastener
Manufacturer
National Threaded Fastener
Model
25C50SFS8Z
MPN
B006HYEZOA
NumberOfItems
100
PartNumber
B006HYEZOA
Publisher
National Threaded Fastener
Size
1/4"-20
Studio
National Threaded Fastener
Most Helpful Customer Reviews

Hard to get excited about bolts in terms of features and any other emotional reaction except to say that this vendor and this product all performed as needed. The bolts were properly marked, dimensionally consistent, and appear to be of the claimed strength, i.e. installed to the specified torque for my application without any breakage or difficulty, and had the appropriate serrated underside on the head as required by the application, and have so far maintained their torque setting in use with only minor loosening during the first week of use after which they have remained stable.
The application was to a piece of exercise equipment where these bolts serve as the mounting method for two long arms to a central axle, in this case part of an elliptical trainer. The Elliptical manufacturer wanted as much money for one bolt as I paid for this entire lot. And so far these bolts are holding up better than the manufacturer's versions which have failed before 3 times.
Would buy... Read more
Great price for a difficult to find size with grade 8 hardness and knurled head.
They hold on my Dana 44 diff cover. They're shiny and made out of steel. My diff cover hasn't fallen off, therefor this product works as advertised.
Please Note

The authorised South African distributor of this product is under no obligation to honour the manufacture's guarantees/warranties or to provide after-sales service.

Please note that this item is imported from the USA, and is designed to be used in the USA. In addition, if the unit is powered it will come with a US plug and an adapter/transformer may be required. Please click here for more information on power requirements, or check with us if you are unsure or need any assistance!

Please also note that certain items cannot be imported, these include Alcohol, Animals, Batteries, Flammable Materials, Currency, Food, Furs, Chemicals, Explosives, Medications, Plants, Seeds, Supplements, Pressurized Cans, Tactical Equipment, Vitamins, Weaponry and Weaponry Accessories. In these cases, the item and information is displayed for reference purposes only. If you are not sure if we are permitted to bring an item, please send us an e-mail with a link to the item to confirm.

Please also ensure that you are ordering the correct item for your particular application as returns to the USA are costly. Product reviews are also provided for most of our items, which can give you a good idea for possible things to look out for and the quality of the item. By clicking Add to Cart, you are confirming that the item is correct and you accept the conditions listed here.