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精密機械用開槽沉頭螺釘 CNS 9678 - 1982

選擇規格尺寸點擊↓

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

臺灣CNS 9678 - 1982 CNS9678 9678CNS 精密機械用開槽沉頭螺釘

在線制圖

掃一掃分享

單重計算公差公制螺紋極限尺寸米/英制螺紋對照螺紋直徑與受力截面積最小破壞扭矩牌號等級毛坯直徑

螺紋規格
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 - 公稱長度和螺紋長度 (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、復合鍍等層鍍層鹽霧腐蝕的防護性能

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及常用牌號及近似牌號（按GB/T3098.1-2010相關規定選擇）

注：技術數據僅供參考，請以官方原件為準！

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26	[意大利] UNI 6109	開槽沉頭螺釘 Slotted Countersunk Flat Head Screws
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37	[臺灣] CNS 4420 - 1981	開槽沉頭螺栓 Countersunk Head Bolts with Forged Slot for Steel Structures
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39	[俄標] GOST 17475 - 1980	開槽沉頭螺釘 A級和B級 Countersunk Head Screws of Accuracy Classes A and B（Slotted）
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42	[軍標] GJB 3371 (/61) - 1998	光桿公差帶f9 100°沉頭螺栓 100° Countersunk Head Bolts，Shank Tolerance f9
43	[軍標] GJB 3372 (/36~/44) - 1998	100°開槽沉頭螺釘 Slotted 100 Deg Flat Countersunk Head Screws
44	[軍標] GJB 3372 (/56) - 1998	100°沉頭不脫出螺釘 Slotted 100 Deg Flat Countersunk Head Screws, Waisted Shank
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52	[美標] ASME B 18.6.3 (T3) - 2013	100°沉頭開槽機械螺釘 [Table 3] (ASTM F837 / F468) Slotted 100-deg Flat Countersunk Head Screws [Table 3] (ASTM F837 / F468)
53	[美標] ASME B 18.6.3 (T5) - 2013	開槽精密100°沉頭機械螺釘 [Table 5] (ASTM F837 / F468) Slotted Close Tolerance 100-deg Flat Countersunk Head Screws (Machine Screws Only) (ASTM F837 / F468)
54	[美標] ASME B 18.6.3 (T9) - 2013	開槽82°沉頭清根機械螺釘 [ Table 9 ] (ASTM F837 / F468) Slotted Undercut 82-deg Flat Countersunk Head Machine Screws (ASTM F837 / F468)
55	[航天] QJ 2370 - 1992	開槽沉頭螺栓 Slotted Countersunk Head Screws
56	[航天] QJ 2373 - 1992	開槽沉頭螺釘 Slotted Countersunk Head Screws
57	[航空] HB 7187~7195 - 1995	100°開槽沉頭螺釘 100° Countersunk Head Bolts
58	[航空] HB 7208~7216 - 1995	100°開槽沉頭螺釘 Slotted 100 Deg Flat Countersunk Head Screws

標準編號 / Standard Code： CNS 9678 - 1982
中文名稱 / Chinese Name： 精密機械用開槽沉頭螺釘
英文名稱 / English Name： Slotted Countersunk Screws for Fine Mechanics
數據來源 / 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: CNS 9678 - 1982
Chinese Name: 精密機械用開槽沉頭螺釘
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.