Shoulder bolt Idler Pulley Post 4mm, 5mm or 6mm

$0.40

Specification

IPP-4_6
IPP-4_10
IPP-4_15
IPP-4_20
IPP-4_25
IPP-4_30
IPP-4_40
IPP-5_16
IPP-5_20
IPP-5_25
IPP-5_30
IPP-5_35
IPP-5_40
IPP-6_8
IPP-6_12
IPP-6_16
IPP-6_20
IPP-6_30
IPP-6_40
IPP-6_50
IPP-6_60
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Shoulder Screw or Idler Post

5mm or 6mm shaft should screw known as idler post
Except IPP-6_16 is mold steel, all other should screw is made of 304 stainless steel (SUS304)
5mm shaft should screw with M4 screw and 6mm shoulder screw with M5 screw
It was proved that the idler post works better with ball bearing equipped idler pulley or roller bearing and its Press Fit. You may need tools to fix it.
Applications, CoreXY 3D Printer Prototype Use.
shoulder screw

New supply 4mm idler post with M3 screw.

Shoulder Bolt

Shoulder bolt is also known as shoulder screw, stripper bolt, or stop screw which can be used to work with flange ball bearing or ball bearing as idler post.
Idler post means the axis or shaft is a slave shaft, the bolt itself is just working as a post that is steady, but the idler will spin together with the drive shaft. The drive axis is connected with the slave axis using a timing belt or v-belt, chain, and so on transmission parts. Idler can be ball bearings or timing pulleys with ball bearing press mounted.
Shoulder bolt in fact it really owns two shoulders. The first one is the socket hex head to the main shaft or the post part. The second shoulder is the post shaft to the mounting screw, so if the shaft is 5, as usual, the screw will be M4.

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