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Pluggy
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« on: January 29, 2025, 01:14:33 PM » |
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There was a post recommending a grub screw to replace the slotted "pin plug screw" on brake calipers. The replacement screw uses an Allen wrench rather than a flathead screwdriver. I can't find that post. Does anyone know what screw to order?
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Willow
Administrator
Member
Posts: 16590
Excessive comfort breeds weakness. PttP
Olathe, KS
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« Reply #1 on: January 29, 2025, 02:43:03 PM » |
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If you take the screw you are replacing to Ace Hardware they have a board of threaded examples you can use to decide what you need in the replacement.
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Pluggy
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« Reply #2 on: January 29, 2025, 02:54:51 PM » |
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If you take the screw you are replacing to Ace Hardware they have a board of threaded examples you can use to decide what you need in the replacement.
I just measured one and it appears to be M10 x 1.0 x 6mm tall. Sound right, guys? Willow, the closest Ace is over by Pinehurst. Wealthy neighborhood. They have a wine department but probably won't have the screw we need. |
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98valk
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« Reply #3 on: January 29, 2025, 03:02:12 PM » |
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here's my post https://www.valkyrieforum.com/bbs/index.php/topic,125567.0.htmlFound a Allen Socket Head Plug to replace the OEM flat screw driver plug. 0.5 mm longer than oem but not a problem. Socket end could be shorten some if one wanted to. after install I put a chrome cap into the allen socket. https://www.fittings.space/gsm13-m10x10m-scMetric Fitting M10 M10X1 Male Thread Allen Socket Head Plug Black Steel |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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Pluggy
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« Reply #4 on: January 29, 2025, 03:06:08 PM » |
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Thank you. I did a search for that and it did not come up. |
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ridingron
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« Reply #5 on: January 29, 2025, 06:43:57 PM » |
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Doesn't have to be a "grub" screw.
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Pluggy
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« Reply #7 on: January 30, 2025, 07:00:34 AM » |
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Thanks, guys. I learned that Niissin calls the item a plug, and it is 5.6mm tall. There are stainless and titanium hex head versions available as a GL1500 custom part. At 5.6mm, there would not be much depth for the Allen wrench.
eBay has a 20 pack of steel, hex, 8mm tall for $9 and I will evaluate them. The hex head can allow an owner to overtighten the screw and damage the caliper. Using a handheld screwdriver on the Nissin plug probably won't get tight enough for damage.
Loosening and tightening the pins and plugs a couple times a year would probably keep them free running.
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« Last Edit: January 30, 2025, 09:47:07 AM by Pluggy »
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-mike-
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« Reply #8 on: January 30, 2025, 12:01:23 PM » |
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Or just use some Anti Seize für any steel screw in aluminum.
I have learned this the hard way with corroded alternator screw(s).
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Valker
Member
Posts: 2995
Wahoo!!!!
Texas Panhandle
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« Reply #9 on: January 30, 2025, 01:58:20 PM » |
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The OEM cap is also slotted for a JIS screwdriver, NOT a standard American flat blade.
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I ride a motorcycle because nothing transports me as quickly from where I am to who I am.
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98valk
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« Reply #10 on: January 30, 2025, 02:41:57 PM » |
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Thanks, guys. I learned that Niissin calls the item a plug, and it is 5.6mm tall. There are stainless and titanium hex head versions available as a GL1500 custom part. At 5.6mm, there would not be much depth for the Allen wrench.
eBay has a 20 pack of steel, hex, 8mm tall for $9 and I will evaluate them. The hex head can allow an owner to overtighten the screw and damage the caliper. Using a handheld screwdriver on the Nissin plug probably won't get tight enough for damage.
Loosening and tightening the pins and plugs a couple times a year would probably keep them free running.
plug torque rating pg 15-1 2.5 Nsm (0.25 kgf-m, 1.8 Ibf-ft) |
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1998 Std/Tourer, 2007 DR200SE, 1981 CB900C 10speed
1973 Duster 340 4-speed rare A/C, 2001 F250 4x4 7.3L, 6sp
"Our Constitution was made only for a Moral and Religious people. It is wholly inadequate to the goverment of any other."
John Adams 10/11/1798
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Pluggy
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« Reply #11 on: February 17, 2025, 04:06:34 PM » |
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Follow-up on the grub screws. https://www.ebay.com/itm/364532240299?var=634037426817High quality. They extend about 2mm from the caliper casting so there's plenty of depth in the hex for an Allen wrench. A dab of anti-seize is appropriate for a plug like this (not recommended for fasteners). We must resist the urge to overtighten. |
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