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塑料用六角頭法蘭面自攻螺釘 Q 2A0

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選擇規(guī)格尺寸 點擊↓

NST 3

NST 3.5

NST 4

NST 5

NST 5.5

NST 6


尺寸單位: mm
汽標(biāo)代號Q 2A0 Q2A0 2A0Q 塑料用六角頭法蘭面自攻螺釘
汽標(biāo)代號Q 2A0 Q2A0 2A0Q 塑料用六角頭法蘭面自攻螺釘
Q  2A0 塑料用六角頭法蘭面自攻螺釘
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螺紋規(guī)格
d
NST 3 NST 3.5 NST 4 NST 5 NST 5.5 NST 6
a 最大值
dc 最大值
最小值
c 最小值
s 最大值=公稱
最小值
e 最小值
k 最大值
kw 最小值
r 最大值
r1 最大值
y C型
F型
2.1 2.5 2.7 3 3 3
6.4 7.5 8.5 10 11.2 12.8
4.1 6.9 7.8 9.3 10.3 11.8
0.4 0.5 0.6 0.6 0.8 1
4 5 5.5 7 7 8
3.82 4.82 5.32 6.78 6.78 7.78
4.27 5.36 5.92 7.55 7.55 8.66
3.2 3.8 4.3 5.2 6 6.7
1.25 1.6 1.8 2.2 2.5 2.8
0.1 0.1 0.2 0.2 0.2 0.3
0.2 0.2 0.2 0.3 0.3 0.4
2.3 2.6 3 3.7 4.3 4.8
1.9 2.4 2.6 3.6 3.9 4

技術(shù)條件和引用標(biāo)準(zhǔn)

螺紋
機(jī)械性能 材料
表面
芯部
滲碳層深度
顯微組織
公差 產(chǎn)品等級
標(biāo)準(zhǔn)
表面處理 種類
標(biāo)準(zhǔn)
表面缺陷
驗收及包裝
QC/T 713
冷鐓鋼、滲碳鋼
≥ 450 HV0.3
試驗方法按CB/T 3098.5 的規(guī)定。
螺紋規(guī)格 ≤ NST3.5: 270 HV5~390 HV5;螺紋規(guī)格 ≥ NST4: 270 HV10~390 HV10。
試驗方法按GB/T 3098.5 的規(guī)定。
螺紋規(guī)格 ≤ NST3.5: 0.05mm ~0.18mm; NST4 ≤ 螺紋規(guī)格 ≤ NST5.5: 0.10mm~ 0.23mm;
螺紋規(guī)格 = NST6: 0.15mm~0.28rnm。
試驗方法按CB/T 3098.5 的規(guī)定,但NST3和NST3.5的自攻螺釘應(yīng)在牙底上進(jìn)行試驗。
在滲碳層與芯部間的顯微組織不應(yīng)呈現(xiàn)帶狀亞共析鐵素體。
試驗方法按CB/T 3098.5 的規(guī)定。
A級
GB/T 3103.1
① 鍍鋅鈍化 Fe/Zn8;② 非電解鋅片涂層
QC/T 625
螺紋表面不允許有裂縫、折疊;
螺釘表面不允許有影響使用的裂縫、爆裂、條痕、凹痕、損傷
GB/T 90.1、GB/T 90.2
注:技術(shù)數(shù)據(jù)僅供參考,請以官方原件為準(zhǔn)!

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標(biāo)準(zhǔn)編號 / Standard Code: Q 2A0
中文名稱 / Chinese Name: 塑料用六角頭法蘭面自攻螺釘
英文名稱 / English Name: Hexagon Flange Head Tapping Screws for Plastic
數(shù)據(jù)來源 / Data Source: 易緊通 YJT Fastener Database(164580.com)
中文頁面 / Chinese Page: 查看中文頁面
English Page: View English Page
Data Source: YJT Fastener Database (164580.com)
Standard: Q 2A0
Chinese Name: 塑料用六角頭法蘭面自攻螺釘
English Name: Hexagon Flange Head Tapping Screws for Plastic
Chinese URL: Chinese Source Page
English URL: English Source Page
License: Commercial reuse, redistribution, or AI training usage requires authorization.
© 易緊通 服務(wù)熱線:4006-164580(免長途費)
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