J.I.S. or Japanese Industrial Standard screws are to be found on Japanese bikes and cars, we are happy to let you know we have increased our range and will continue to add more hard to find fasteners to our growing collection.

All our JIS fasteners are sourced from and made in Japan.

The difference between JIS and later ISO is in both the size of the head of the screws and the pitch of the thread. JIS heads are smaller than ISO, while the threads have a slight difference. On pre1967 bikes the thread was different again, see our J.I.S. Phil Pan (Pre1967 Pitch) Zinc page

The A/F spanner size on the bolts and nuts is normally smaller while the thread pitch on the M10 and above is normally fine pitch

Please choose from the various styles of J.I.S below. For J.I.S zinc, stainless or black stainless engine casing kits, scroll down to the bottom of the page. If your bike is not listed, just ask and we will make one up.

How to measure bolt length
All
 Screws, Bolts and Socket Caps are measured from under the head to end of thread

Countersunk are measured including the head to end of thread

 Round Oval Countersunk are measured to the top of the countersunk but not including the round head  to end of thread

J.I.S. Steel, Chrome Plated, Zinc or Yellow Passivated

M5-0.9
M6x12PPYP.jpg
jis-zinc-001.jpg
pic-001.jpg
jis-zinc-002.jpg
M6x12PPWSYP_edited.jpg
M4-0.75X12PPZNJIS-01.jpg
M5x10CSYP_edited.jpg
317AA0800-001.jpg
round-001
M12-1.25-TFNZINC.jpg
M6-LTDNCH.jpg
M14-150PFMLNZ.jpg
M8TFNYPJIS
M8PFNZP
M10-1.25-PFLHNYP-02.jpg
M8X25M4JIS.jpg
M10x25-1.25HSBZP.jpg
M6X75.jpg

J.I.S. Stainless and Black Stainless JIS Screws

m6x30st.jpg
pic-006_edited.jpg
M5X12RCHA2JIS.jpg

J.I.S.Engine Screw Kits-Zinc, Stainless and Black Stainless

More kits coming soon