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Author Topic: Bonnet and door screws cross head size  (Read 2371 times)

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Offline Nigel

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Bonnet and door screws cross head size
« on: September 23, 2023, 05:35:07 PM »
Hi,
I thought I had most sizes of bits but these I don't.
PZ3 and PH3 don't fit well, appears larger.

Is it a PZ4? [edit, no it's not]

Nigel
« Last Edit: September 24, 2023, 10:50:27 AM by Nigel »
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1984 2.0 Carb HPE [ex Aus] Grigio Finanza.
2007 Mazda 6 2.3 [current daily, highly recommended]
The past:
1980 2.0 HPE White in South Africa [hope it survives!]
1976 1.6 Coupe Lancia Blu [PFG 76R] [probably deceased]
oh,and an Uno Turbo 1997 also in SA [stolen,never recovered]

Offline HFStuart

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Re: Bonnet and door screws cross head size
« Reply #1 on: September 26, 2023, 11:41:09 PM »
I think they're PH4. My Philips impact driver bit (8mm hex) is a perfect fit - I notice that the flutes (the bits in between the cross) are radiused not cut square and the screw heads are too I've never noticed that with smaller PH sizes.


« Last Edit: September 26, 2023, 11:52:29 PM by HFStuart »
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Offline Nigel

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Re: Bonnet and door screws cross head size
« Reply #2 on: September 27, 2023, 08:48:14 PM »
Thanks Stuart.

I actually pre-empted your comment by ordering a PH4 yesterday.
it was my last known option so I'll comment after trying
this with my hammer-impact thingy.

Nigel
Logged
1984 2.0 Carb HPE [ex Aus] Grigio Finanza.
2007 Mazda 6 2.3 [current daily, highly recommended]
The past:
1980 2.0 HPE White in South Africa [hope it survives!]
1976 1.6 Coupe Lancia Blu [PFG 76R] [probably deceased]
oh,and an Uno Turbo 1997 also in SA [stolen,never recovered]
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