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Class 8.8 Steel Cap Screw, Yellow Zinc Plated Finish, Hex Head, External Hex Drive, Meets DIN 6921, 20mm Length, Fully Threaded, M8-1.25 Metric Coarse Threads (Pack of 50)

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ASIN B006HYG9XK

Product Specifications
Brand Name
Small Parts
Part Number
B006HYG9XK
Head Diameter
13  millimeters
Head Height
8.10  millimeters
Length
20  millimeters
Fastener Size
M8-1.25
Thread Size
M8-1.25
Thread Coverage
Fully Threaded
Flange Diameter
18.00  millimeters
Pkg Qty
50
Thread Class
6g
Thread Style
Metric Coarse
Specification for this product family (See all  products)
Drive Style
External Hex
Exterior Finish
Yellow Zinc Plated
Specification Met
DIN 6921
Grade
Class 8.8
Material Type
Steel
Head Style
Hex
UNSPSC Code
31161501
Thread Style
Right Hand
System of Measurement
Metric

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Key Features

  • Class 8.8 steel is often used in applications where strength is the primary concern
  • Zinc plating resists corrosion and has a yellow reflective appearance
  • External hex drive tightens from the side with a wrench, enabling use when there is no space above for a driver
  • Meets DIN 6921 specifications

Package Details

Shipping Weight: 1.65 pounds
Package Size: 5.1 x 3.3 x 1.1 inches

Product Description

The class 8.8 steel cap screw has a yellow zinc plated finish and an external hex drive, and meets Deutsches Institut für Normung DIN 6921 specifications. Class 8.8 steel, composed of quenched and tempered medium carbon steel, is often used in applications where strength is the primary concern. The material is magnetic. The zinc plating offers corrosion resistance and has a yellow reflective appearance. The external hex drive has six flat sides that a wrench can grip to turn the screw from the side, enabling use when there is no space above the head for a driver.

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.

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