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Thread: Quiver Killer Mounting
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09-24-2021, 12:06 AM #76
Thats the issue. That bearing surface angle is actually very important. Look closely at the pic I posted the small head screws have a much steeper angle then the flat heads. The wrong angle, will cause the plastic of the binding's screw holes to creep and in time the binding will pull off of the ski with the screws still attached..... I learned that the hard way when the inserts first came to market... its not pretty when it fails! Especially when you are in an exotic location half way around the world without any way to get proper replacements.
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09-24-2021, 03:14 AM #77Registered User
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09-24-2021, 09:01 AM #78
Yeah...guess I should have waited to get this order in before recommending BF. But as Pinned says above:
I have ordered reduced diameter heads from Binding Freedom several times in the past and they looked great. This is the first time I have seen the reduced head diameter option in the ordering drop-down menu (rather than just asking for it in the order comments), and the first time the screws have looked this weird.kittyhump.com - Fund Max, Cat Appreciation, Bike
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09-24-2021, 12:27 PM #79
I used to grind down the heads on inserts screws (by spinning 'em in a drill chuck & contra rotating them against my grinding wheel) but I occasionally found that the heat annealed the heads and my customers had durability issue with the 'driver interface. For the last few years I've been turning them down on my lathe - I turned a little fixture for the machine screw to screw. I sell/mount loads of Shifts and ATK's so it's mainly Shift toe stud flat head screws and Raider/Crest heel pan head screws.
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09-24-2021, 01:19 PM #80Registered User
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I need to order from BF soon, I'm just waiting for a few things to come back into stock. I need reduced diameter heads again so I'll report back on what I get.
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09-27-2021, 12:56 PM #81Registered User
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09-27-2021, 03:11 PM #82
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09-27-2021, 09:18 PM #83
Quiver Killer Mounting
That is correct for normal machine screws , but not for these.
I just measured (well as accurately as I could holding the screws up to my countersinks). A standard alpine screw is 82 degree (that’s normal for SAE hardware).
The flat head posidrive screws fit the inserts measured the same.
The small head version measured 90. (That’s a normal metric machine screw countersink)
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09-28-2021, 10:16 AM #84
looks like the SVST countersinks are out of stock. Gunder, what does a #11 measure in inches or mm? I found some 82 degree weldon-style options but don't know which diameter to get.
swing your fucking sword.
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09-28-2021, 12:37 PM #85Registered User
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09-28-2021, 12:59 PM #86
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09-28-2021, 08:05 PM #87
anybody got (4) 20mm low heads they would part with? i gotcha for a couple bucks and shipping.
swing your fucking sword.
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09-28-2021, 09:07 PM #88
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09-28-2021, 09:16 PM #89
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09-28-2021, 09:52 PM #90
Here is a link to the exact one from McMastercarr.
https://www.mcmaster.com/piloted-cou...-diameter~1-4/
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09-29-2021, 10:56 AM #91Registered User
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helio 350/atk trofeo toes dont have a counterbore, i ordered these from mcmaster, will see how proud the heads sit and report back:
https://www.mcmaster.com/91801A256/
update:
Gotta love 24 hour mcmaster. these 316 look great and actually almost fit in the heel track counterbores. Larger than the 200lt heel piece counterbores but wouldnt need much head diameter reduction for that either. Hell of a lot cleaner on the toes than the pozi fasteners supplied by BF. Wish the drive wasnt ph2 but for 2-4nm it should be fine.
Im sure the 18-8 or plated mcmaster options would be fine too, whatever the stock stuff is from atk its not stainless.
https://photos.app.goo.gl/cLGfbiAd2w9v5dkw6Last edited by Westcoaster; 09-29-2021 at 01:41 PM.
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09-29-2021, 02:16 PM #92
FYI, those screws in your pic that look like Phillips are not. That little dot indicates they are JIS. Just like the hash marks indicate the others are posidrive. You should use a JIS specific driver for them, as a standard Phillips will camout easily and most likely strip them.
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09-29-2021, 02:56 PM #93Registered User
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09-29-2021, 10:04 PM #94
It’s really damn hard to tell the two apart visually other than the dimple.
Adding the dimple is an extra step (cost) in MFG. So I doubt they would include it on a non JIS screw. In fact I can’t think of a single time I have come across a screw with the wrong marking on the head. I’m sure it’s happened but that would be extremely rare.
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09-29-2021, 10:22 PM #95
You can ask McMaster about their supplier and most of the time they give you an answer from what I've heard. Could be worth it in this case. Messing up your screws when you need to tighten them or switch bindings on a trip would suck.
For PNW people, Tacoma screw is a good source of machine screws and will sell low counts if you call + pickup or just go into one of their stores. I think most screws on the site are sold in boxes of 100.
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09-29-2021, 11:05 PM #96"Poop is funny" - Frank Reynolds
www.experiencedgear.net
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09-29-2021, 11:21 PM #97
I feel like I've heard of one or two times but I'm not certain. I've never had an issue either, just hedging a little bit.
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09-30-2021, 08:44 AM #98
The JIS standard does not apply to, or certify screw drivers anymore. The old JIS standard has been replaced by DIN 5260-PH/ISO 8763-1.
Fasteners are still being produced with the JIS spec, but tool manufactures are producing tools under the DIN 5260-PH/ISO 8763-1 to what ever spec they feel necessary for their application. Most reputable quality brands have designed their new drivers under the DIN 5260-PH/ISO 8763-1 to work correctly with a JIS or PH fastener. The standard has enough variance to produce the driver closer to old JIS standard or closer to the PH standard, or even (gasp) both.
I know it's a deep dive into the semantics of this, but a newly produced JIS screw driver does not technically exist. Some manufactures are listing their new tools as "conforms to previous JIS standard" but technically they can't call them JIS certified (as the JIS(standard) no longer certifies tools), and technically they are DIN 5260-PH/ISO 8763-1 and still fit and work in a JIS fastener.
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10-01-2021, 07:09 PM #99
I haven’t mounted a binding let alone inserts and I love this thread. Thanks to all for sharing.
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10-02-2021, 11:20 AM #100Galibier Designcrafting technology in service of music
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