M33 track shoe bolt, big bolt, high tensile grade12.9 bolt produced as per drawing!

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News from：kehu Posted：2017-3-13 15:20:02 Browse 1531 Secondary

We export a lot of high tensile grade12.9 track shoe bolt, Here we would like to show you some big bolts produced as customer's drawing.

Product description:

Name: Track shoe bolt

Grade: 12.9

Surface: Black Oxidize

Surface hardness: HRC41

Below are some bolt photos:

Below is Testing Report:

ANALYSIS REPORT
Order by
Invoice No.
Description			TRACK BOLTS-GR12.9
Size			M30295
Surface Finish			BLACK
Material			40Cr
Characteristics			Standard Specification		Measurement On Average		Result
Length(mm)			30295		30295+0.5		PASS
Diameter(mm)			30.3		30.3+0.2		PASS
Smooth Shank(mm)			41		41		PASS
Length of Half Thread(mm)			55		55+0.5		PASS
Head Height(mm)			28		28		PASS
Head Width(mm)			46		46-0.5		PASS
Slot Depth(mm)			—		—		—
Slot Width(mm)			—		—		—
Hardness HRC			38-42		41		PASS
Tensile Strength(N/mm2)			1050-1200		1180		PASS
Stress Under Proofing Load(N/mm2)			1000-1100		1080		PASS
Elongation(%)			35		35		PASS
Thread"GO"							PASS
Thread"NOT GO"							PASS
Thickness of the coating			—		—		—
Others
Test No.	Charge No.	C%	Si%	Mn%	P%	S%	Cr%	Others
		0.4	0.31	0.6	0.018	0.01	0.92

Welcome to conract us if you need any special bolts, we could produce as your drawings!

Email: mark@earthmovingsparepart.com

What's app: +86-13959206416

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