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Class 10.9 Steel Cap Screw, Zinc Plated Finish, Flange Hex Head, External Hex Drive, Meets JIS B1190, Flanged, Non-Serrated, 70mm Length, Partially Threaded, M10-1.25 Metric Fine Threads, Imported (Pack of 10)

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Product Specifications
Brand Name
Small Parts
Flange Diameter
21  millimeters
Flange Thickness
1.20  millimeters
Head Diameter
14  millimeters
Head Height
10  millimeters
Import Designation
Number of Items
Overall Length
70  millimeters
Part Number
Size Name
Tensile Strength Max
150800  PSI
Thread Class
Thread Coverage
Partially Threaded
Thread Length
35  millimeters
Thread Size
Thread Style
Metric Fine
Specification for this product family (See all  products)
Drive Style
External Hex
Flange Type
Material Type
Exterior Finish
Zinc Plated
Specification Met
JIS B1190
Class 10.9
Head Style
Flange Hex
Thread Style
Right Hand
Special Features
System of Measurement

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Key Features

  • Class 10.9 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 non-serrated flange for additional grip with the mating surface
  • Meets JIS B1190 specifications

Package Details

Shipping Weight: 1.15 pounds
Package Size: 5.3 x 2.9 x 1.2 inches

Product Description

The class 10.9 steel cap screw has a zinc plated finish, a non-serrated flange hex head with an external hex drive, and meets Japanese Industrial Standards JIS B1190 specifications. Class 10.9 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 a reflective appearance. The flange hex head has six flat sides that wrenches can grip to turn from the side, enabling use when there is no space above the head for a screwdriver. The non-serrated flange acts like a washer to increase the fastener's bearing surface and distribute the clamping force over a larger area, providing grip and reducing damage to mating surfaces.

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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