Metric Grade 10.9 Hex Flange Bolts - Fine Pitch
Metric Class 10.9 Hex Flange Bolts - Fine Pitch
Zinc plated Class 10.9 fine pitch metric hex flange bolts made to JIS B-1189, the Japanese standard used on many cars and motorcycles. We stock M10 x 1.25 (14mm wrench) and M12 x 1.25 (17mm wrench). Choose a size below.
Specifications
- Strength: Class 10.9
- Standard: JIS B-1189
- Sizes: M10 x 1.25, M12 x 1.25
- Finish: zinc plated
Common Uses
- Japanese car and motorcycle repair
- Suspension and brake brackets
- Machinery with fine thread
FAQ
How do I tell standard from fine pitch?
Measure the distance between threads with a metric thread gauge. An M12 standard pitch thread is 1.75mm; fine pitch M12 is 1.5mm or 1.25mm. The nut must match the bolt pitch.
Why do some flange bolts take a smaller wrench?
There are three common standards. DIN 6921 uses the larger wrench size; ISO 4162 and JIS B-1189 (Japanese) heads are smaller on some sizes, for example M8 is 13mm DIN and 12mm JIS. Check the wrench size listed with each item.
Related: M10 x 1.25 Flange Bolts | M12 x 1.25 Flange Bolts | Metric Flange Nuts Fine Pitch | Metric Flange Bolts Standard Pitch
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