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Price
$284.99
10Pcs M11ร—1.25 Fine Thread Hex Head Bolts 8.8 Grade GB5785/5786 Metric Machine Bolts 20/25/30/45/50/57/63/70/75mm Fasteners for Industrial Machinery (90mm (10 pieces) black half thread) โ€” image 1
Hex BoltsGenericโœ“ In stock

10Pcs M11ร—1.25 Fine Thread Hex Head Bolts 8.8 Grade GB5785/5786 Metric Machine Bolts 20/25/30/45/50/57/63/70/75mm Fasteners for Industrial Machinery (90mm (10 pieces) black half thread)

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$284.99
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About this item
  • Manufactured to GB5785 and GB5786 standards, these M11ร—1.25 fine thread hex head bolts feature 8.8 grade construction for industrial fastening applications.
  • Available in 9 different lengths: 20mm, 25mm, 30mm, 45mm, 50mm, 57mm, 63mm, 70mm, and 75mm to accommodate various assembly requirements.
  • Standard external hex head design allows for secure installation and removal with common wrenches and socket tools.
  • Fine thread pitch provides enhanced clamping force and resistance to loosening in vibrating machinery and equipment.
  • Pack of 10 pieces supplies adequate quantity for equipment maintenance, component replacement, and small-scale manufacturing projects.
Product description

This set contains 10 pieces of M11ร—1.25 fine thread hex head bolts manufactured in strict accordance with GB5785 and GB5786 metric standards. Constructed from 8.8 grade steel, these bolts are designed for use in industrial machinery, automotive components, structural assemblies, and general engineering applications. The set includes bolts in 9 distinct lengths ranging from 20mm to 75mm, providing versatile solutions for different installation depths and fastening needs. The fine thread design delivers improved clamping performance and stability in dynamic operating environments. The standard hex head configuration ensures compatibility with widely available hand and power tools, facilitating efficient installation and disassembly processes. These metric machine bolts serve as essential fasteners for professional mechanics, maintenance technicians, and DIY enthusiasts working on equipment repair, machinery assembly, and custom fabrication projects.

Product details
Brand
Generic
Manufacturer
Generic
Material
Stainless Steel
Colour
GOLDEN
Size
90mm (10 pieces) black half thread
Part number
5ZMNS-16-8NJDNEE

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10 Trustpilot reviews total, with 2 shown at a time.

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Excellent
4.5 average rating
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S
Sigalit
๐Ÿ‡ฎ๐Ÿ‡ฑ ยท January 2026
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I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
๐Ÿ‡ฆ๐Ÿ‡บ ยท November 2025
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The package was here in Australia from England in a few days โ€” so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

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10Pcs M11ร—1.25 Fine Thread Hex Head Bolts 8.8 Grade GB5785/5786 Metric Machine Bolts 20/25/30/45/50/57/63/70/75mm Fasteners for Industrial Machinery (90mm (10 pieces) black half thread) | Bigamart