M8-1.25 x 85 mm Hex Cap Screws / Class 8.8
- Steel
- Class 8.8
- Plain
- 1.25mm · Coarse
- DIN 933
$275.07
$0.550 / pc
Bulk Box of 500
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Product Description
M8-1.25 x 85 mm Hex Cap Screws / Class 8.8
Frequently Asked Questions
What does the metric class number mean?
The first number indicates tensile strength (e.g., 12 = 1,200 MPa). The second number is the yield-to-tensile ratio. So Class 12.9 has 1,220 MPa tensile strength and yield at 90% of tensile. Class 12.9 is equivalent to inch Grade 8.
What is the difference between partial thread and full thread?
Partial thread (also called shoulder bolt or tap bolt) has an unthreaded shank for shear strength. Full thread (fully threaded cap screw) provides more clamping engagement. Standard cap screws above 6 inches long are typically partial thread.
$275.07
$0.550/pc
.80 x 12 MM Hex Bolt, Full Thread / Class 8.8 Steel / Plain
Family: 643
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M8-1.25 x 85 mm Hex Cap Screws / Class 8.8
SKU: 643503-500
Technical Specifications
Thread Size
M8-1.25
Thread Series
ISO Metric
Thread Pitch
1.25mm
Thread Coverage
Full Thread
Length
85mm
Material
Steel
Grade
Class 8.8
Finish
Plain
Drive
External Hex
Head Style
Hex Head
Standard
DIN 933
Country of Origin
Import
Tensile Strength
116000
Hardness
C22 - C32
Measurement System
Metric
Head Height
5.3 mm
Width Across Flats
13 mm
SKU
643503-500
https://www.ecomfasteners.com/products/m8-1-25-x-85-mm-hex-bolt-class-8-8-steel-full-thread · Printed