M12-1.75x90 Class 12.9 Alloy Flat Socket Head Cap Screws Black Oxide

Product Description

Part Number: M12C90FSHCS12BO/D
Diameter/Pitch: M12-1.75
Length Under Head: 90MM
Grade: Class 12.9
Finish: Black Oxide
Thread Series: Metric coarse
Threading: Partially threaded
Wrench Size: 8MM

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M12-1.75x90 Class 12.9 Alloy Flat Socket Head Cap Screws Black Oxide

SKU: M12C90FSHCS12BO/D

Product Description

Part Number: M12C90FSHCS12BO/D
Diameter/Pitch: M12-1.75
Length Under Head: 90MM
Grade: Class 12.9
Finish: Black Oxide
Thread Series: Metric coarse
Threading: Partially threaded
Wrench Size: 8MM

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Length	90 mm
Drive	Hex Socket
Thread Series	Metric coarse
Tensile Strength (min)	176,900 psi
Nominal Size	M12

Finish	Black Oxide
Wrench Size	8MM
Threading	Partially threaded
Hardness	Rockwell C39–C44
Countersink Angle	90°

Head Type	Flat (Countersunk) Socket
Hex Key Size	8MM
Head Marking	12.9 marking
Specifications Met	ISO 10642 / DIN 7991, ISO 898-1 Class 12.9
System	Metric

Technical Drawing

Not to scale · ISO 10642 / DIN 7991 · See table for exact dimensions

Technical Dimensions

Overall Length	90 mm
Major Thread Dia.	12 mm
Drive	Hex Socket
Countersink Angle	90°
Hex Key Size	8MM
Min. Tensile Strength	176,900 psi

Countersunk head with an internal hex socket that seats flush with the surface. Requires a matching countersunk hole — the included angle must match or the head will not seat correctly.

Dimensions conform to ISO 10642 / DIN 7991 and may vary within specified manufacturing tolerances.