M12-1.75x90 Class 8.8 Hex Cap Screws Zinc Clear

Product Description

Part Number: M12C90HCS88Z
Diameter/Pitch: M12-1.75
Length Under Head: 90MM
Grade: Class 8.8
Finish: Zinc Clear
Thread Series: Metric coarse
Threading: Partially threaded
Wrench Size: 19MM

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M12-1.75x90 Class 8.8 Hex Cap Screws Zinc Clear

SKU: M12C90HCS88Z

Product Description

Part Number: M12C90HCS88Z
Diameter/Pitch: M12-1.75
Length Under Head: 90MM
Grade: Class 8.8
Finish: Zinc Clear
Thread Series: Metric coarse
Threading: Partially threaded
Wrench Size: 19MM

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Thread Size	M12-1.75
Material	Medium carbon steel, quenched and tempered
Thread Series	Metric coarse
Head Height	8 mm nom
Tensile Strength (min)	800 MPa (116,030 psi)
Specifications Met	ISO 4014 / DIN 931, ISO 898-1 Class 8.8

Length	90 mm
Finish	Zinc Clear
Threading	Partially threaded
Head Marking	"8.8" on head
Proof Load (min)	48.9 kN (10,987 lbf)

Grade	Class 8.8
Wrench Size	19MM
Thread Length	30 mm ref
Thread Class	6g
Hardness	22–32 HRC

Technical Drawing

Not to scale · ISO 4014 / DIN 931 · See table for exact dimensions

Technical Dimensions

Length Under Head	90 mm
Major Thread Dia.	12 mm
Head Height	8 mm nom
Width Across Flats	19 mm
Thread Length	30 mm ref
Thread Class	6g
Proof Load	48.9 kN (10,987 lbf)
Clamp Load	36.7 kN
Min. Tensile Strength	800 MPa (116,030 psi)
Yield Strength	640 MPa
Hardness	22–32 HRC

Hex cap screw with a hexagonal head for external wrench engagement and a chamfered point for easier starting. The flat bearing surface distributes clamp load across the joint. Partially threaded shank, plain under the head, with ISO metric coarse threads.

Dimensions conform to ISO 4014 / DIN 931 and may vary within specified manufacturing tolerances.