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塑料用内六角花形盘头自攻螺钉 QC /T 878 - 2011

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选择规格尺寸点击↓

NST 3

NST 3.5

NST 4

NST 5

ST5.5

NST 6

尺寸单位: mm

汽标QC /T878 - 2011 QC878 878QC 塑料用内六角花形盘头自攻螺钉

在线制图

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单重计算公差

螺纹规格
d

NST 3

NST 3.5

NST 4

NST 5

ST5.5

NST 6

d_k	最大值=公称
	最小值
k	最大值=公称
	最小值
槽号
s	参考
t	最大值
	最小值

5.6	7	8	9.5	11	12
5.3	6.64	7.64	9.14	10.57	11.57
2.4	2.6	3.1	3.7	4	4.6
2.15	2.35	2.8	3.4	3.7	4.3
10	15	20	25	25	30
2.8	3.35	3.95	4.5	4.5	5.6
1.27	1.4	1.8	2.03	2.03	2.42
1.01	1.14	1.42	1.65	1.65	2.02

采用标准 (2)

技术条件和引用标准

螺纹
内六角花型
机械性能	材料
	硬度	表面
		芯部
	金相	渗碳层深度
		显微组织
公差	产品等级
	标准
表面处理	种类
	标准
表面缺陷
验收及包装

QC/T 713

GB/T 6188

冷镦钢、渗碳钢

≥ 450 HV0.3
试验方法按CB/T 3098.5 的规定。

螺纹规格 ≤ NST3.5: 270 HV5~390 HV5；螺纹规格 ≥ NST4: 270 HV10~390 HV10。
试验方法按GB/T 3098.5 的规定。

螺纹规格 ≤ NST3.5: 0.05mm ~0.18mm； NST4 ≤ 螺纹规格 ≤ NST5.5: 0.10mm~ 0.23mm；
螺纹规格 = NST6: 0.15mm~0.28rnm。
试验方法按CB/T 3098.5 的规定，但NST3和NST3.5的自攻螺钉应在牙底上进行试验。

在渗碳层与芯部间的显微组织不应呈现带状亚共析铁素体。
试验方法按CB/T 3098.5 的规定。

除规定外，其余按A级

GB/T 3103.1

镀锌钝化 Fe/Zn8

QC/T 625

螺纹表面不允许有裂缝、折叠；
螺钉表面不允许有影响使用的裂缝、爆裂、条痕、凹痕、损伤

GB/T 90.1、GB/T 90.2

引用参考 (5)

镀锌、镀镍、镀镉、复合镀等层镀层盐雾腐蚀的防护性能

GB /T 1172 - 1999

黑色金属硬度及强度换算值

GB /T 3098.25 - 2020

紧固件机械性能不锈钢和镍合金紧固件选用指南

非合金钢和低合金钢和铸钢的硬度值转换表

注：技术数据仅供参考，请以官方原件为准！

类似标准及供货信息 (55)

1	[国标] GB /T 2670.1 - 2017	内六角花形盘头自攻螺钉 Hexalobular Socket Pan Head Tapping Screws 供应商(3)
2	[国标] GB /T 2670.2 - 2017	内六角花形沉头自攻螺钉 Hexalobular Socket Countersunk Head Tapping Screws 供应商(1)
3	[国标] GB /T 2670.3 - 2017	内六角花形半沉头自攻螺钉 Hexalobular Socket Raised Countersunk(Oval) Head Tapping Screws 供应商(1)
4	[国标] GB /T 2670.1 - 2004	内六角花形盘头自攻螺钉 Hex Lobular Socket Pan Head Tapping Screws 供应商(3)
5	[国标] GB /T 2670.2 - 2004	内六角花形沉头自攻螺钉 Hexalobular Socket Countersunk Head Tapping Screws 供应商(1)
6	[国标] GB /T 2670.3 - 2004	内六角花形半沉头自攻螺钉 Hexalobular Socket Raised Countersunk(Oval) Head Tapping Screws 供应商(1)
7	[德标] DIN 34819 - 2008	梅花槽圆头凸缘（华司）自攻钉 Hexalobular Socket Raised Head Tapping Screws with Collar
8	[国际] ISO 14585 - 2011	梅花槽盘头自攻螺钉 Hexalobular Socket Pan Head Tapping Screws 供应商(3)
9	[国际] ISO 14586 - 2011	梅花槽沉头自攻螺钉 Hexalobular Socket Countersunk Head Tapping Screws 供应商(1)
10	[国际] ISO 14585 - 2001	梅花槽圆头自攻螺钉 Hexalobular Socket Pan Head Tapping Screws 供应商(3)
11	[国际] ISO 14586 - 2001	梅花槽沉头自攻螺钉 Hexalobular Socket Countersunk Head Tapping Screws 供应商(1)
12	[国际] ISO 14587 - 2011	梅花槽半沉头自攻螺钉 Hexalobular Socket Raised Countersunk（Oval） Head Tapping Screws
13	[国际] ISO 14587 - 2001	梅花槽半沉头自攻螺钉 Hexalobular Socket Raised Countersunk (oval) Head Tapping Screws
14	[日标] JIS B 1128 (O) - 2004	梅花槽半沉头自攻螺钉 Hexalobular Socket Raised Countersunk Head Self-Tapping Screws
15	[日标] JIS B 1128 (F) - 2004	梅花槽沉头自攻钉 Hexalobular Socket Countersunk Head Self-Tapping Screws
16	[日标] JIS B 1128 (P) - 2004	梅花槽盘头自攻钉 Hexalobular Socket Pan Head Self-Tapping Screws
17	[汽标代号] Q 27A	内六角花形盘头自攻螺钉 Hex Lobular Socket Pan Head Tapping Screws
18	[汽标代号] Q 27B	内六角花形沉头自攻螺钉 Hexalobular Socket Countersunk Head Tapping Screws
19	[汽标代号] Q 27C	内六角花形半沉头自攻螺钉 Hex Lobular Socket Raised Countersunk Head Tapping Screws
20	[汽标代号] Q 2A2	塑料用内六角花形盘头自攻螺钉 Hexalobular Socket Pan Head Tapping Screws for Plastic
21	[法国] NF E 25-652 - 2001	梅花槽沉头自攻螺钉 Hexalobular Socket Countersunk Head Tapping Screws
22	[法国] NF E 25-653 - 2001	梅花槽半沉头自攻螺钉 Hexalobular Socket Raised Countersunk（Oval） Head Tapping Screws
23	[法国] NF E 25-654 - 2001	梅花槽盘头自攻钉 Hexalobular Socket Pan Head Tapping Screws
24	YJT 4025	塑料用梅花槽圆头带介自攻螺钉 [PT] [原YJT WN5451] Round Washer Head with TORX PLUS Self-tapping Screw [PT] [Previously YJT WN5451] 供应商(1)
25	YJT 4052	梅花槽水泥钉003 (T30) Torx Concrete Screw 003 (T30) 供应商(1)
26	YJT 4059	梅花槽沉头自攻螺钉 Hexalobular Socket Countersunk Head Tapping Screws 供应商(1)
27	YJT 4060	梅花槽沉头自攻螺钉 Hexalobular Socket Countersunk Head Tapping Screws 供应商(1)
28	YJT 4065	梅花槽盘头带垫自攻螺钉 Hexalobular socket Pan Head Tapping Screws with Collar 供应商(1)
29	YJT 4066	梅花槽盘头自攻钉 Exalobular Socket Pan Head Self-Tapping Screws 供应商(1)
30	YJT 4083	塑料用梅花槽盘头自攻螺钉 [PT] Pan Head with TORX PLUS Self-tapping Screw [PT] 供应商(1)
31	YJT 1019.1	内六角花形沉头混凝土切底自攻型锚栓不锈钢 (SK-A4) Hexalobular Socket Countersunk Concrete Screw, Stainless Steel (SK-A4)
32	YJT 1020	六角头带介混凝土自攻钉 Hex Washer Head Head Concrete Screw
33	YJT 1020.1	梅花槽沉头混凝土自攻钉 Countersunk Concrete Screw
34	YJT 1020.2	梅花槽盘头混凝土自攻钉 Pan Head Concrete Screw
35	YJT 4067	梅花槽半沉头自攻螺钉 Hexalobular Socket Raised Countersunk（Oval） Head Tapping Screws
36	[德标] DIN EN ISO 14587 - 2011	内六角花形半沉头自攻螺钉 Hexalobular Socket Raised (Oval) Head Tapping Screws
37	[德标] DIN EN ISO 14585 - 2002	内六角花形盘头自攻螺钉 Hexagon Socket Pan Head Tapping Screws
38	[德标] DIN EN ISO 14586 - 2002	内六角花形沉头自攻螺钉 Hexalobular Socket Countersunk Head Tapping Screws
39	[美标] ASME B 18.6.3 (H1B-VI+T1A) - 2024	梅花槽82°沉头 AB ABR自攻螺钉 82° Countersunk Head with Hexalobular Slot Tapping Screws - Type AB (ABR)
40	[美标] ASME B 18.6.3 (H2B-VI+T1A) - 2024	梅花槽半沉头 AB ABR自攻螺钉 Hexalobular Socket Raised Countersunk Head Tapping Screws - Type AB and ABR
41	[美标] ASME B 18.6.3 (H5C-VI+T1A) - 2024	梅花槽盘头 AB ABR自攻螺钉 Hexalobular Socket Pan Head Tapping Screws - Type AB and ABR
42	[美标] ASME B 18.6.3 (H6B-VI+T1A) - 2024	梅花槽球面扁圆柱头 AB ABR自攻螺钉 Cheese Head Tapping Screws with Hexalobular Slot - Type AB and ABR
43	[美标] ASME B 18.6.3 (H7B-VI+T1A) - 2024	梅花槽大扁头 AB ABR自攻螺钉 Mushroom Head Tapping Screws with Hexalobular Slot - Type AB and ABR
44	[美标] ASME B 18.6.3 (H12B-VI+T1A) - 2024	梅花槽圆头凸缘 AB ABR自攻螺钉 Hexalobular Socket Round Head Tapping Screws with Collar - Type AB and ABR
45	[美标] ASME B 18.6.3 (T2-VI+T40) - 2013	梅花槽82°沉头 AB ABR自攻螺钉 82° Countersunk Head with Hexalobular Slot Tapping Screws - Type AB (ABR)
46	[美标] ASME B 18.6.3 (T8-VI+T40) - 2013	梅花槽半沉头 AB ABR自攻螺钉 Hexalobular Socket Raised Countersunk Head Tapping Screws - Type AB and ABR
47	[美标] ASME B 18.6.3 (T19-VI+T40) - 2013	梅花槽盘头 AB ABR自攻螺钉 Hexalobular Socket Pan Head Tapping Screws - Type AB and ABR
48	[美标] ASME B 18.6.3 (T22-VI+T40) - 2013	梅花槽球面扁圆柱头 AB ABR自攻螺钉 Cheese Head Tapping Screws with Hexalobular Slot - Type AB and ABR
49	[美标] ASME B 18.6.3 (T25-VI+T40) - 2013	梅花槽大扁头 AB ABR自攻螺钉 Mushroom Head Tapping Screws with Hexalobular Slot - Type AB and ABR
50	[美标] ASME B 18.6.3 (T39-VI+T40) - 2013	梅花槽圆头凸缘 AB ABR自攻螺钉 Hexalobular Socket Round Head Tapping Screws with Collar - Type AB and ABR
51	[日本汽车工业协会标准] JASO F 116 - 2005	梅花槽盘头自攻螺钉 T-type TORX Pan Head Tapping Screws
52	[日本汽车工业协会标准] JASO F 116 - 2005	梅花槽沉头自攻螺钉 T-type TORX Countersunk Head Tapping Screws
53	[日本汽车工业协会标准] JASO F 116 - 2005	梅花槽半沉头自攻螺钉 T-type TORX Raised Countersunk Head Tapping Screws
54	[日本汽车工业协会标准] JASO F 116 - 2005	梅花槽扁圆头自攻螺钉 T-type TORX Truss Countersunk Head Tapping Screws
55	[日本汽车工业协会标准] JASO F 116 - 2005	梅花槽盘头带垫自攻螺钉 T-type TORX Collar Head Tapping Screws

标准编号 / Standard Code： QC /T 878 - 2011
中文名称 / Chinese Name： 塑料用内六角花形盘头自攻螺钉
英文名称 / English Name： Hexalobular Socket Pan Head Tapping Screws for Plastic
数据来源 / Data Source： 易紧通 YJT Fastener Database（164580.com）
中文页面 / Chinese Page： 查看中文页面
English Page： View English Page

Data Source: YJT Fastener Database (164580.com)
Standard: QC /T 878 - 2011
Chinese Name: 塑料用内六角花形盘头自攻螺钉
English Name: Hexalobular Socket Pan 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.