ButtonHex socket head cap screw(Fine Steel Unplated 12X50(P1.25 Pitch 1.75
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JIS B 1174
A hex socket button bolt characterized by its rounded head shape.
Also known as a button cap screw.
Compared to a hex socket head cap screw of the same size, the hex socket is smaller.
There are two types of button cap screws: the "3S Standard," an industry standard (association standard) that was introduced earlier, and the "JIS Standard," which was established later in accordance with ISO. The two types differ in head dimensions.
3S Standard (Manufacturers: Tokosya Metal SS, Gosho SS, Chubu Rashi, Kyokuto SS, Ansco (Maruko))
JIS Standard (Manufacturers: Nissan Neji, Ansco, Alps Seiko)
Button CAP Standard Comparison
Screw Pitch List
JIS B 1174
A hex socket button bolt characterized by its rounded head shape.
Also known as a button cap screw.
Compared to a hex socket head cap screw of the same size, the hex socket is smaller.
There are two types of button cap screws: the "3S Standard," an industry standard (association standard) that was introduced earlier, and the "JIS Standard," which was established later in accordance with ISO. The two types differ in head dimensions.
3S Standard (Manufacturers: Tokosya Metal SS, Gosho SS, Chubu Rashi, Kyokuto SS, Ansco (Maruko))
JIS Standard (Manufacturers: Nissan Neji, Ansco, Alps Seiko)
Button CAP Standard Comparison
Screw Pitch List
Product Details
- Button cap screw - Fine pitch
- Steel:
- Nominal thread diameter M10
- Length under head (ℓ) 50.0
- Pitch 1.25
- Head diameter (dk) Nominal 18 Tolerance 0,-0.5
- Head height (k) Nominal 6 Tolerance ±0.2
- Hex socket width across flats (s) Nominal 6 Tolerance +0.105,+0.03
- Hex socket depth (t) Nominal 4.2 Tolerance ±0.2
- Neck diameter (da) Max 11.2
ButtonHex socket head cap screw(Fine Steel Unplated 12X50(P1.25 Pitch 1.75
| Steel | Unplated | 12X50(P1.25 | Individual sale | View Details |
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