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Product Description

Part Number: M12C90BFL12PL
Diameter/Pitch: M12-1.75
Grade: Class 12.9 Alloy
Length Under Head: 90MM
Finish: Black Oxide
Thread Series: Metric coarse
Threading: Partially threaded
Wrench Size: 12MM

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M12-1.75x90 Metric 12 Point Flange Screws Class 12.9 Black Oxide

SKU: M12C90BFL12PL
Product Description

Part Number: M12C90BFL12PL
Diameter/Pitch: M12-1.75
Grade: Class 12.9 Alloy
Length Under Head: 90MM
Finish: Black Oxide
Thread Series: Metric coarse
Threading: Partially threaded
Wrench Size: 12MM

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Thread SizeM12-1.75
MaterialAlloy steel, quenched and tempered
Wrench Size12MM
Thread Length30 mm ref
Tensile Strength (min)1,220 MPa (176,946 psi)
Specifications MetISO 898-1 Class 12.9
Length90 mm
FinishBlack Oxide
Thread SeriesMetric coarse
Head Marking"12.9" on head
Proof Load (min)81.7 kN (18,376 lbf)
GradeClass 12.9
Head Type12-Point Flange
ThreadingPartially threaded
Thread Class6g
Hardness39–44 HRC
Technical Drawing
SIDE VIEWHEAD END
Not to scale · manufacturer specification · See table for exact dimensions

Technical Dimensions

Length 90 mm
Thread Size M12-1.75
12-Point Wrench Size 12MM
Major Diameter 12 mm
Thread Class 6g
Material Alloy steel, quenched and tempered
Twelve-point head with an integral bearing flange. The 12-point head takes a 12-point socket or box wrench in a smaller swing than a hex head of the same strength, and the flange spreads clamp load like a built-in washer. Partially threaded shank, plain under the head, with ISO metric coarse threads.

Dimensions conform to manufacturer specification and may vary within specified manufacturing tolerances.

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