半圓頭內梅花螺絲
BN 6404
~ISO 7380-1
~DIN 34805-1
頭形 |
頭形
半圓頭
|
穴型 |
穴型
梅花穴
|
螺紋 |
螺紋
全牙
|
材質 |
材質
碳鋼
|
強度等級 |
強度等級
08.8 / 8.8 (頭部印記協商決定)
|
表面處理 |
表面處理
鍍鋅
|
All features
Standard
~ISO 7380-1
~DIN 34805-1
Additional information
Fasteners to the given specification have a reduced loadability due to the head geometry according to ISO 898-1.
Features
頭形 |
頭形
半圓頭
|
穴型 |
穴型
梅花穴
|
螺紋 |
螺紋
全牙
|
材質 |
材質
碳鋼
|
強度等級 |
強度等級
08.8 / 8.8 (頭部印記協商決定)
|
表面處理 |
表面處理
鍍鋅
|
BN 13255 - ISO 7380-1
Hex socket button head cap screws partially / fully threaded - Steel - 010.9 - Zinc flake coated ISO 10683/flZnL/nc/480h/C (µ=0.12-0.18)
BN 19 - ISO 7380-1
Hex socket button head cap screws partially / fully threaded - Steel - 010.9 - black
BN 30102 - ISO 7380-1
Hex socket button head cap screws partially / fully threaded - Steel - 010.9 - zinc plated blue