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Thread: High Tensile Bolts

  1. 27th December 2017, 07:17 PM #1
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    High Tensile Bolts

    Hi Folks, I purchased these bolts from an online 4wd parts store down in Victoria. They were advertised as Warn Winch Mount bolts. I thought I read somewhere that Warn specifies the mount bolts to be high tensile 8.8 or better. My understanding is that HT bolts have identification markings on the head. These bolts only have the letters H E C. I assume this means these are not HT's. would I be correct in this?

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    Oztourer

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  2. 27th December 2017, 07:32 PM #2
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    The 6 equally spaced lines in the head show they are a grade 8 HT bolt. HFC I think means Hex head, fully threaded course - which your bolts appear to be.

    Will be fine for the intended application. 👍😊
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
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  3. 27th December 2017, 07:34 PM #3
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    bee utey
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    They are SAE or imperial HT bolt markings and equivalent to metric grade 10.9 approx.
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  4. 27th December 2017, 07:35 PM #4
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    pop058
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    Without dragging my little black book out, the 6 radiating lines indicate an imperial grade 8 bolt IIRC.
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  5. 27th December 2017, 07:57 PM #5
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    I've learnt something new today. Thanks for the replies. Now I can continue with the install. 👍
    Oztourer

    MY05 TDV6 HSE, Buckingham Blue
    Front Runner Slimline II roofrack and rear ladder, Safari Snorkle, Mitch Hitch, Traxide D3-DU, Bushman Fridge, Icom IC-440N UHF, Hema HN7, Tyredog TPMS, GVIF and reversing camera
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  6. 28th December 2017, 10:56 AM #6
    DeanoH
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    Bolt Strength Grades and Head Markings. | NHTB

    Deano
    66 SIIA SWB .......73 SIII LWB diesel wgn
    86 RR 'classic'......99 Range Rover P38a
    94 Defender 110..95 Defender 130 Ute
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    04 D2a Td5..........02 Disco 2 V8
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