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82° 開槽半沉頭清根機械螺釘 (ASTM F837/F468) [TABLE 2.2.3-3] ASME B 18.6.3 (H3C) - 2024

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選擇規格尺寸點擊↓

10#

12#

1/4

5/16

3/8

7/16

1/2

尺寸單位: inch

美標ASME B18.6.3 (H3C) - 2024 ASME18.6.3 1 82° 開槽半沉頭清根機械螺釘 (ASTM F837/F468) [TABLE 2.2.3-3]

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在線制圖

ASME B 18.6.3 (H3C) - 2024 82° 開槽半沉頭清根機械螺釘 (ASTM F837/F468) [TABLE 2.2.3-3]

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公差美制螺紋極限尺寸米/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

螺紋尺寸
d

10#

12#

1/4

5/16

3/8

7/16

1/2

d	公稱
PP
L ^②	詳見備注
d_k	最大值
d_k	最小值
k	參考值
f	參考值
n	最大值
n	最小值
t	最大值
t	最小值
F	最大值
F	最小值
G
α	最大值
α	最小值

0.0600	0.0730	0.0860	0.0990	0.1120	0.1250	0.1380	0.1640	0.1900	0.2160	0.2500	0.3125	0.3750	0.4375	0.5000
/	64	56	48	40	40	32	32	24	24	20	18	16	14	13
1/8	1/8	1/8	1/8	3/16	3/16	3/16	1/4	5/16	3/8	7/16	1/2	9/16	5/8	3/4
0.112	0.137	0.162	0.187	0.212	0.237	0.262	0.312	0.362	0.412	0.477	0.597	0.717	0.760	0.815
0.096	0.120	0.144	0.167	0.191	0.215	0.238	0.285	0.333	0.380	0.442	0.556	0.670	0.715	0.765
0.025	0.031	0.036	0.042	0.047	0.053	0.059	0.070	0.081	0.092	0.107	0.134	0.161	0.156	0.156
0.021	0.025	0.029	0.033	0.037	0.041	0.045	0.052	0.060	0.068	0.079	0.099	0.117	0.122	0.131
0.023	0.026	0.031	0.035	0.039	0.043	0.048	0.054	0.060	0.067	0.075	0.084	0.094	0.094	0.106
0.016	0.019	0.023	0.027	0.031	0.035	0.039	0.045	0.050	0.056	0.064	0.072	0.081	0.081	0.091
0.028	0.034	0.040	0.047	0.053	0.059	0.065	0.078	0.090	0.103	0.119	0.149	0.179	0.184	0.204
0.022	0.027	0.033	0.038	0.043	0.048	0.053	0.064	0.074	0.085	0.098	0.124	0.149	0.154	0.169
0.047	0.053	0.058	0.064	0.069	0.075	0.080	0.091	0.102	0.113	0.129	0.155	0.182	0.195	0.212
0.031	0.035	0.039	0.044	0.480	0.053	0.057	0.066	0.075	0.084	0.095	0.117	0.139	0.150	0.163
0.078	0.101	0.124	0.148	0.172	0.196	0.220	0.267	0.313	0.362	0.424	0.539	0.653	0.690	0.739
82°	82°	82°	82°	82°	82°	82°	82°	82°	82°	82°	82°	82°	82°	82°
80°	80°	80°	80°	80°	80°	80°	80°	80°	80°	80°	80°	80°	80°	80°

①,頭部邊緣為倒圓或平的。
②,小于等于表中長度的螺釘，為清根沉頭型。
③,光桿直徑應不小于2A級螺紋最小中徑，并不大于公稱（基本）螺紋大徑。
④,機械螺釘的螺紋長度： 1）螺紋規格≤5#: 公稱長度≤3倍公稱直徑的應為滿扣產品，頭下螺紋肩距≤1倍螺距。公稱長度＞3倍公稱直徑到 1-1/8 in 的，允許頭下肩距最大不超過2倍螺距。若無其他規定，長螺釘的最小螺紋長度為1 in 。 2）螺紋規格≥6#: 公稱長度≤3倍公稱直徑的應為滿扣產品，頭下螺紋肩距≤1倍螺距。公稱長度＞3倍公稱直徑到 2 in 的，允許頭下螺紋肩距最大不超過2倍螺距。若無其他規定，長螺釘的最小螺紋長度為 1.5 in 。

替代列表

ASME/ANSI B 18.6.3T11 - 2010 ASME B 18.6.3T11 - 2013 ASME B 18.6.3H3C - 2024

同版本產品組 (20)

ASME B 18.6.3 (H1B-III) - 2024

四方槽沉頭螺釘 (ASTM F837/F468) [TABLE 2.2.1-2 III]

供應商(1)

ASME B 18.6.3 (H1A) - 2024

82°開槽沉頭機械螺釘 (ASTM F837/F468) [TABLE 2.2.1-1]

ASME B 18.6.3 (H1B-I/H1B-IA) - 2024

82°十字槽沉頭螺釘 (ASTM F837/F468) [TABLE 2.2.1-2 I/IA]

ASME B 18.6.3 (H1B-VI) - 2024

梅花槽82° 沉頭螺釘 [TABLE 2.2.1-2 VI]

ASME B 18.6.3 (H1C) - 2024

100°沉頭開槽機械螺釘 (ASTM F837/F468) [TABLE 2.2.1-3]

ASME B 18.6.3 (H1D-I/H1D-IA) - 2024

100°十字槽沉頭螺釘 (ASTM F837/F468) [TABLE 2.2.1-4 I/IA]

ASME B 18.6.3 (H1E) - 2024

精密100°沉頭開槽機械螺釘 (ASTM F837/F468) [TABLE 2.2.1-5]

ASME B 18.6.3 (H1F-I/H1F-IA) - 2024

精密100°沉頭十字槽機械螺釘 [TABLE 2.2.1-6 I/IA]

ASME B 18.6.3 (H2A) - 2024

82° 開槽半沉頭機械螺釘(ASTM F837/F468) [TABLE 2.2.2-1]

ASME B 18.6.3 (H2B-I/H2B-IA) - 2024

十字槽半沉頭螺釘 I型和IA型 [TABLE 2.2.2-2 I/IA]

ASME B 18.6.3 (H2B-III) - 2024

四方槽半沉頭螺釘 III型 [TABLE 2.2.2-2 III]

ASME B 18.6.3 (H2B-VI) - 2024

梅花槽半沉頭螺釘 VI型 [TABLE 2.2.2-2 VI]

ASME B 18.6.3 (H3A) - 2024

開槽82°沉頭清根機械螺釘 (ASTM F837/F468) [TABLE 2.2.3-1]

ASME B 18.6.3 (H3B-I/H3B-IA) - 2024

十字槽82°沉頭清根機械螺釘 I型和IA型 [TABLE 2.2.3-2 I/IA]

ASME B 18.6.3 (H3B-III) - 2024

方槽82°沉頭清根機械螺釘 [TABLE 2.2.3-2 III]

ASME B 18.6.3 (H3C) - 2024

82° 開槽半沉頭清根機械螺釘 (ASTM F837/F468) [TABLE 2.2.3-3]

ASME B 18.6.3 (H3D-I/H3D-IA) - 2024

十字槽82°半沉頭清根螺釘 I型和IA型 [TABLE 2.2.3-4 I/IA]

ASME B 18.6.3 (H3D-III) - 2024

方槽82°半沉頭清根螺釘 [TABLE 2.2.3-4 III]

ASME B 18.6.3 (H4A) - 2024

82°小沉頭十字槽螺釘 (ASTM F837/F468) [TABLE 2.2.4-1,-2 I/IA]

ASME B 18.6.3 (H4C) - 2024

82°小半沉頭十字槽螺釘 (ASTM F837/F468) [TABLE 2.2.4-3,-4 I/IA]

長度公差

　　Machine screws can be made to any length, but they are generally produced in fractional length increments of 1/16 in. for screws up to 5/8 in. long, 1/8 in. for screws over 5/8 in. through 1-1/2 in. long, and 1/4 in. for screws over 1-1/2 in. long.

標稱螺釘尺寸的長度公差
標稱螺釘長度	螺紋規格
標稱螺釘長度	0000~00	0~12	1/4~3/4
≤1/2	-0.01	-0.02	-0.03
＞1/2,≤1	-0.02	-0.03	-0.03
＞1,≤2	/	-0.06	-0.06
＞2	/	-0.09	-0.09

引用參考 (14)

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

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)

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

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）非合金鋼和低合金鋼和鑄鋼的硬度值轉換表

注：技術數據僅供參考，請以官方原件為準！

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標準編號 / Standard Code： ASME B 18.6.3 (H3C) - 2024
中文名稱 / Chinese Name： 82° 開槽半沉頭清根機械螺釘 (ASTM F837/F468) [TABLE 2.2.3-3]
英文名稱 / English Name： 82° Slotted Undercut Oval Countersunk Head Machine Screws (ASTM F837/F468) [TABLE 2.2.3-3]
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: ASME B 18.6.3 (H3C) - 2024
Chinese Name: 82° 開槽半沉頭清根機械螺釘 (ASTM F837/F468) [TABLE 2.2.3-3]
English Name: 82° Slotted Undercut Oval Countersunk Head Machine Screws (ASTM F837/F468) [TABLE 2.2.3-3]
Chinese URL: Chinese Source Page
English URL: English Source Page
License: Commercial reuse, redistribution, or AI training usage requires authorization.