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精密機(jī)械用開(kāi)槽沉頭螺釘 CNS 9678 - 1982

選擇規(guī)格尺寸點(diǎn)擊↓

M1.2 A型

M1.4 A型

M1.6 A型

M1.7 A型

M2 A型

M2.2 A型

M2.3 A型

M2.5 A型

M2.6 A型

M1 C型

M1.2 C型

M1.4 C型

M1.6 C型

M1.7 C型

M2 C型

M2.2 C型

M2.3 C型

M2.5 C型

M2.6 C型

尺寸單位: mm

臺(tái)灣CNS 9678 - 1982 CNS9678 9678CNS 精密機(jī)械用開(kāi)槽沉頭螺釘

在線制圖

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單重計(jì)算公差公制螺紋極限尺寸米/英制螺紋對(duì)照螺紋直徑與受力截面積最小破壞扭矩牌號(hào)等級(jí) 毛坯直徑

螺紋規(guī)格
d

M1.2
A型

M1.4
A型

M1.6
A型

M1.7
A型

M2
A型

M2.2
A型

M2.3
A型

M2.5
A型

M2.6
A型

M1
C型

d_k	公稱
	最大值
	最小值
k	最大值=公稱
k	最小值
n	最大值
n	最小值
t	公稱
	最大值
	最小值
α	+2°, 0

1.8	2	2.3	2.5	3	3.3	3.5	3.8	4	1.8
1.85	2.05	2.35	2.55	3.05	3.35	3.55	3.85	4.05	1.85
1.7	1.9	2.2	2.4	2.8	3.1	3.3	3.6	3.8	1.7
0.4	0.45	0.5	0.5	0.6	0.7	0.7	0.8	0.8	0.5
0.35	0.4	0.45	0.45	0.52	0.62	0.62	0.72	0.72	0.45
0.4	0.4	0.4	0.4	0.5	0.5	0.5	0.7	0.7	0.4
0.32	0.32	0.32	0.32	0.4	0.4	0.4	0.6	0.6	0.32
0.25	0.3	0.3	0.3	0.3	0.4	0.4	0.4	0.4	0.3
0.3	0.35	0.35	0.35	0.38	0.48	0.48	0.48	0.48	0.35
0.2	0.25	0.25	0.25	0.22	0.32	0.32	0.32	0.32	0.25
90°	90°	90°	90°	90°	90°	90°	90°	90°	90°

螺紋規(guī)格
d

M1.2
C型

M1.4
C型

M1.6
C型

M1.7
C型

M2
C型

M2.2
C型

M2.3
C型

M2.5
C型

M2.6
C型

d_k	公稱
	最大值
	最小值
k	最大值=公稱
k	最小值
n	最大值
n	最小值
t	公稱
	最大值
	最小值
α	+2°, 0

2	2.5	2.8	3	3.5	3.8	4	4.3	4.5
2.05	2.55	2.85	3.05	3.55	3.85	4.05	4.35	4.55
1.9	2.4	2.7	2.9	3.3	3.6	3.8	4.1	4.3
0.5	0.7	0.8	0.8	0.9	1	1	1.1	1.1
0.45	0.65	0.75	0.75	0.82	0.92	0.92	1.02	1.02
0.4	0.4	0.4	0.4	0.5	0.5	0.5	0.7	0.7
0.32	0.32	0.32	0.32	0.4	0.4	0.4	0.6	0.6
0.3	0.4	0.4	0.4	0.5	0.6	0.6	0.6	0.6
0.35	0.45	0.45	0.45	0.58	0.68	0.68	0.68	0.68
0.25	0.35	0.35	0.35	0.42	0.52	0.52	0.52	0.52
90°	90°	90°	90°	90°	90°	90°	90°	90°

引用參考

GB /T 3 - 1997

普通螺紋收尾、肩距、退刀槽和倒角 (ISO 3508:1976 / ISO 4755:1983)

GB /T 3098.25 - 2020

緊固件機(jī)械性能不銹鋼和鎳合金緊固件選用指南

GB /T 197 - 2018

普通螺紋公差

GB /T 18685 - 2017

普通螺紋搓制和滾制前的毛坯直徑

GB /T 34632 - 2017

統(tǒng)一螺紋搓制和滾制前的毛坯直徑

GB /T 3106 - 2016

緊固件 - 螺栓、螺釘和螺柱 - 公稱長(zhǎng)度和螺紋長(zhǎng)度 (ISO 888:2012, MOD)

GB /T 193 - 2003

普通螺紋（一般用途米制螺紋）- 直徑與螺距系列 (ISO 261: 1998, MOD)

GB /T 3103.1 - 2002

緊固件公差（螺栓、螺柱、螺釘和螺母）

GB /T 3105 - 2002

普通螺栓和螺釘 - 頭下圓角半徑

GB /T 5267.1 - 2002

鍍鋅、鍍鎳、鍍鎘、復(fù)合鍍等層鍍層鹽霧腐蝕的防護(hù)性能

GB /T 5779.1 - 2000

緊固件表面缺陷 - 螺栓、螺釘和螺柱 - 一般要求

GB /T 5779.3 - 2000

緊固件表面缺陷 - 螺栓、螺釘和螺柱 - 特殊要求

GB /T 1172 - 1999

黑色金屬硬度及強(qiáng)度換算值

GB /T 5279.2 - 1997

沉頭螺釘第2部分十字槽插入深度

螺栓、螺釘和螺柱性能等級(jí)及常用牌號(hào)及近似牌號(hào)（按GB/T3098.1-2010相關(guān)規(guī)定選擇）

注：技術(shù)數(shù)據(jù)僅供參考，請(qǐng)以官方原件為準(zhǔn)！

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標(biāo)準(zhǔn)編號(hào) / Standard Code： CNS 9678 - 1982
中文名稱 / Chinese Name： 精密機(jī)械用開(kāi)槽沉頭螺釘
英文名稱 / English Name： Slotted Countersunk Screws for Fine Mechanics
數(shù)據(jù)來(lái)源 / Data Source： 易緊通 YJT Fastener Database（164580.com）
中文頁(yè)面 / Chinese Page： 查看中文頁(yè)面
English Page： View English Page

Data Source: YJT Fastener Database (164580.com)
Standard: CNS 9678 - 1982
Chinese Name: 精密機(jī)械用開(kāi)槽沉頭螺釘
English Name: Slotted Countersunk Screws for Fine Mechanics
Chinese URL: Chinese Source Page
English URL: English Source Page
License: Commercial reuse, redistribution, or AI training usage requires authorization.