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首页 产品与标准 ASME B 18.6.3 (H8A) - 2024 开槽球面扁圆柱头机械螺钉 (ASTM F837,F468) [TABLE 2.2.8-1]

开槽球面扁圆柱头机械螺钉 (ASTM F837,F468) [TABLE 2.2.8-1] ASME B 18.6.3 (H8A) - 2024

选择规格尺寸 点击↓

0000#

000#

00#

0#

1#

2#

3#

4#

5#

6#

8#

10#

12#

1/4

5/16

3/8

ASME B 18.6.3 (H8A) - 2024 开槽球面扁圆柱头机械螺钉 (ASTM F837,F468) [TABLE 2.2.8-1]

尺寸单位: inch
美标ASME B18.6.3 (H8A) - 2024 ASME18.6.3 1 开槽球面扁圆柱头机械螺钉 (ASTM F837,F468) [TABLE 2.2.8-1]
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ASME B 18.6.3 (H8A) - 2024 开槽球面扁圆柱头机械螺钉 (ASTM F837,F468) [TABLE 2.2.8-1]
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公差 美制螺纹极限尺寸 米/英制螺纹对照 螺纹直径与受力截面积 最小破坏扭矩 牌号等级
螺纹尺寸
d
0000# 000# 00# 0# 1# 2# 3# 4#
d 公称
PP
dk 最大值
最小值
k 最大值
最小值
f 最大值
最小值
n 最大值
最小值
t 最大值
最小值
d1 ② 最大值
最小值
h ② 最大值
最小值
0.0210 0.0340 0.0470 0.0600 0.0730 0.0860 0.0990 0.1120
160 120 90 80 64 56 48 40
0.046 0.073 0.098 0.126 0.153 0.181 0.208 0.235
0.040 0.067 0.090 0.119 0.145 0.171 0.197 0.223
0.014 0.021 0.028 0.032 0.041 0.050 0.059 0.068
0.009 0.015 0.023 0.026 0.035 0.043 0.052 0.061
0.006 0.008 0.011 0.012 0.015 0.018 0.022 0.025
0.003 0.005 0.007 0.008 0.011 0.013 0.016 0.018
0.008 0.012 0.017 0.023 0.026 0.031 0.035 0.039
0.004 0.006 0.010 0.016 0.019 0.023 0.027 0.031
0.009 0.013 0.018 0.018 0.024 0.030 0.036 0.042
0.005 0.009 0.012 0.009 0.014 0.020 0.025 0.030
/ / / 0.098 0.120 0.141 0.162 0.184
/ / / 0.086 0.105 0.124 0.143 0.161
/ / / 0.007 0.008 0.010 0.011 0.012
/ / / 0.002 0.003 0.005 0.006 0.007
螺纹尺寸
d
5# 6# 8# 10# 12# 1/4 5/16 3/8
d 公称
PP
dk 最大值
最小值
k 最大值
最小值
f 最大值
最小值
n 最大值
最小值
t 最大值
最小值
d1 ② 最大值
最小值
h ② 最大值
最小值
0.1250 0.1380 0.1640 0.1900 0.2160 0.2500 0.3125 0.3750
40 32 32 24 24 20 18 16
0.263 0.290 0.344 0.399 0.454 0.525 0.656 0.788
0.249 0.275 0.326 0.378 0.430 0.498 0.622 0.746
0.078 0.087 0.105 0.123 0.141 0.165 0.209 0.253
0.069 0.078 0.095 0.112 0.130 0.152 0.194 0.235
0.029 0.032 0.039 0.045 0.052 0.061 0.077 0.094
0.021 0.024 0.029 0.034 0.039 0.046 0.059 0.071
0.043 0.048 0.054 0.060 0.067 0.075 0.084 0.094
0.035 0.039 0.045 0.050 0.056 0.064 0.072 0.081
0.048 0.053 0.065 0.077 0.089 0.105 0.134 0.163
0.035 0.040 0.050 0.060 0.070 0.084 0.108 0.132
0.205 0.226 0.269 0.312 0.354 0.410 0.513 0.615
0.180 0.199 0.236 0.274 0.311 0.360 0.450 0.540
0.014 0.015 0.017 0.020 0.023 0.026 0.032 0.039
0.009 0.010 0.012 0.015 0.018 0.021 0.027 0.034
①,球面与圆锥侧面之间应有清晰的分界。
②,除非用户有要求，开槽球面扁圆柱头螺钉一般不要求清根。
③,机械螺钉的螺纹长度： 1）螺纹规格≤5#: 公称长度≤3倍公称直径的应为满扣产品，头下螺纹肩距≤1倍螺距。 公称长度＞3倍公称直径到 1-1/8 in 的，允许头下肩距最大不超过2倍螺距。 若无其他规定，长螺钉的最小螺纹长度为1 in 。 2）螺纹规格≥6#: 公称长度≤3倍公称直径的应为满扣产品，头下螺纹肩距≤1倍螺距。 公称长度＞3倍公称直径到 2 in 的，允许头下螺纹肩距最大不超过2倍螺距。 若无其他规定，长螺钉最小螺纹长度为 1.5 in 。
④,螺杆直径ds应不小于2A级螺纹最小中径，并不大于公称（基本）螺纹大径。
替代列表
ASME/ANSI B 18.6.3 - 2010 ASME B 18.6.3T27 - 2013 ASME B 18.6.3H8A - 2024

长度公差

　　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.

标称螺钉尺寸的长度公差

标称螺钉长度

螺纹规格

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

引用参考

GB /T 1172 - 1999
黑色金属硬度及强度换算值
GB /T 5267.1 - 2002
镀锌、镀镍、镀镉、复合镀等层镀层盐雾腐蚀的防护性能
GB /T 193 - 2003
普通螺纹（一般用途米制螺纹）- 直径与螺距系列 (ISO 261: 1998, MOD)
GB /T 3106 - 2016
紧固件 - 螺栓、螺钉和螺柱 - 公称长度和螺纹长度 (ISO 888:2012, MOD)
GB /T 3 - 1997
普通螺纹收尾、肩距、退刀槽和倒角 (ISO 3508:1976 / ISO 4755:1983)
GB /T 5779.1 - 2000
紧固件表面缺陷 - 螺栓、螺钉和螺柱 - 一般要求
GB /T 5779.3 - 2000
紧固件表面缺陷 - 螺栓、螺钉和螺柱 - 特殊要求
GB /T 3103.1 - 2002
紧固件公差（螺栓、螺柱、螺钉和螺母）
GB /T 34632 - 2017
统一螺纹搓制和滚制前的毛坯直径
GB /T 18685 - 2017
普通螺纹搓制和滚制前的毛坯直径
GB /T 3105 - 2002
普通螺栓和螺钉 - 头下圆角半径
GB /T 5279.2 - 1997
沉头螺钉 第2部分 十字槽插入深度
GB /T 197 - 2018
普通螺纹 公差
注：技术数据仅供参考，请以官方原件为准！
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48 开槽圆柱头/球面圆柱头小螺钉 [Table 1] [美标]
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50 开槽圆柱头螺钉 [意大利]
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51 开槽圆柱头螺钉 [法国]
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52 铁路车辆 圆柱头侧切口机械螺钉 [法国]
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53 开槽球面圆柱头螺钉Table14 [英标]
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54 开槽圆柱头机械螺钉 [英标]
BS 4183 (T5) - 1967		 开槽圆柱头机械螺钉
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55 英制开槽圆柱头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 6] [英标]
BS 450 - 1958		 英制开槽圆柱头螺钉 - B.S.W. & B.S.F. 螺纹 [Table 6]
Slotted Cheese Head Screws with B.S.W. & B.S.F. Threads [Table 6]
56 米制开槽圆柱头螺钉 [Table 4] [澳标]
AS /NZS 1427 - 1996		 米制开槽圆柱头螺钉 [Table 4]
ISO metric slotted cheese head screws [Table 4]
57 开槽扁圆顶柱头小螺钉 [台湾]
CNS 9668 - 1988		 开槽扁圆顶柱头小螺钉
Slotted (Oval) Fillister Head Machine Screws
58 开槽圆柱头螺钉 [台湾]
CNS 9670 - 1988		 开槽圆柱头螺钉
Slotted Cheese Head Screws
59 开槽扁圆顶锥头小螺钉 [台湾]
CNS 9673 - 1988		 开槽扁圆顶锥头小螺钉
Slotted Mushroom Head Screws With Cone Point
60 精密机械用开槽圆柱头螺钉 [台湾]
CNS 9680 - 1982		 精密机械用开槽圆柱头螺钉
Slotted Cheese Head Screws For Fine Mechanics
61 电开关用开槽圆柱沉头螺钉 [台湾]
CNS 4413 - 1981		 电开关用开槽圆柱沉头螺钉
Slotted Cheese Head Screws For Electric Switch
62 开槽带孔圆柱头螺钉 [台湾]
CNS 4251 - 1980		 开槽带孔圆柱头螺钉
Slotted Cheese Head Screw Head Hole
63 开槽圆柱头螺钉 [台湾]
CNS 4355 - 1980		 开槽圆柱头螺钉
Slotted Cheese Head Screws
64 开槽大圆柱头螺钉 [台湾]
CNS 4356 - 1980		 开槽大圆柱头螺钉
Slotted Large Cheese Head Screws
65 开槽圆柱头轴位螺钉 [台湾]
CNS 4358 - 1980		 开槽圆柱头轴位螺钉
Slotted Cheese Head Screws With Shoulder
66 开槽小圆柱头螺钉 [台湾]
CNS 4360 - 1980		 开槽小圆柱头螺钉
Slotted Cheese Head Screw With Small Head
67 精密用开槽圆柱头螺钉 [台湾]
CNS 4362 - 1980		 精密用开槽圆柱头螺钉
Slotted Cheese Head Screws For Fine Mechanics
68 开槽圆柱头螺钉 【Table 3】 [韩标]
KS B 1021 (T3) - 2012 (R2022)		 开槽圆柱头螺钉 【Table 3】
Slotted Cheese Head Screws 【Table 3】
69 开槽圆柱头螺钉 [韩标]
KS B 1021 - 1998		 开槽圆柱头螺钉
Slotted Cheese Head Screws
70 塑料开槽圆柱头滚花螺钉 [企标]
YJT 4011		 塑料开槽圆柱头滚花螺钉
Plastic slotted cheese head knurl screws
71 塑料开槽大圆柱头台阶螺钉 [企标]
YJT 4017		 塑料开槽大圆柱头台阶螺钉
Plastic slotted large cheese head screws with shoulder
72 塑料一字槽圆柱头带垫螺钉 [企标]
YJT 4018		 塑料一字槽圆柱头带垫螺钉
Plastic Slot(-) cheese head screws with collar
73 开槽圆柱头螺钉-产品等级A级 [德标]
DIN EN ISO 1207 - 2011		 开槽圆柱头螺钉-产品等级A级
Slotted Cheese Head Screws—Product Grade A
供应商(4)
74 开槽圆柱头螺钉-产品等级A级 [德标]
DIN EN ISO 1207 - 1994		 开槽圆柱头螺钉-产品等级A级
Slotted Cheese Head Screws—Product Grade A
供应商(4)
75 圆柱头螺栓 [军标]
GJB 3371 (/33~/39) - 1998		 圆柱头螺栓
Cheese Head Bolts
76 头部带保险孔的圆柱头螺栓 [军标]
GJB 3371 (/40~/44) - 1998		 头部带保险孔的圆柱头螺栓
Cheese Head Bolts With Wire Holes On Head
77 圆柱头螺钉 开槽 [军标]
GJB 3372 (/11~/17) - 1998		 圆柱头螺钉 开槽
Cheese Head Screws, Slotted
78 头部带保险孔的圆柱头螺钉 [军标]
GJB 3372 (/18~/24) - 1998		 头部带保险孔的圆柱头螺钉
Cheese Head Screws With Wire Holes On Head
79 头部带保险孔的不脱出圆柱头螺钉 [军标]
GJB 3372 (/54~/55) - 1998		 头部带保险孔的不脱出圆柱头螺钉
Cheese Head Screws With Wire Holes On Head, Waisted Shank
80 固定表盘螺钉 [军标]
GJB 3372 (/57~/59) - 1998		 固定表盘螺钉
Slotted Fillister Head Machine Screws
81 开槽圆柱头螺钉 A级 [印标]
IS 1366 - 2002		 开槽圆柱头螺钉 A级
Slotted Cheese Head Screws - Product Grade A
82 开槽圆柱头/球面圆柱头小螺钉 [Table 1] (A276, B16, B151) [美标]
ANSI B 18.11 - 1961 (R2017)		 开槽圆柱头/球面圆柱头小螺钉 [Table 1] (A276, B16, B151)
Slotted fillister head miniature screws [Table 1] (A276, B16, B151)
83 开槽联头（扁圆柱头）小螺钉 [Table 4] (A276, B16, B151) [美标]
ANSI B 18.11 - 1961 (R2017)		 开槽联头（扁圆柱头）小螺钉 [Table 4] (A276, B16, B151)
Slotted Binding Head Miniature Screws [Table 4] (A276, B16, B151)
84 开槽球面圆柱头螺钉 (ASTM F837, F468) [TABLE 2.2.6-1] [美标]
ASME B 18.6.3 (H6A) - 2024		 开槽球面圆柱头螺钉 (ASTM F837, F468) [TABLE 2.2.6-1]
Slotted Fillister Head Screws (ASTM F837, F468) [TABLE 2.2.6-1]
85 球面圆柱头,头部带孔螺钉 (ASTM F837, F468) [TABLE 2.2.6-3] [美标]
ASME B 18.6.3 (H6C) - 2024		 球面圆柱头,头部带孔螺钉 (ASTM F837, F468) [TABLE 2.2.6-3]
Slotted Drilled Fillister Head Screws (Machine Screws Only) (ASTM F837, F468) [TABLE 2.2.6-3]
86 开槽球面圆柱头螺钉 [Table 21] (ASTM F837, F468) [美标]
ASME B 18.6.3 (T21) - 2013		 开槽球面圆柱头螺钉 [Table 21] (ASTM F837, F468)
Slotted Fillist Head Screws [Table 21] (ASTM F837, F468)
87 球面圆柱头,头部带孔螺钉 [Table 23] (ASTM F837, F468) [美标]
ASME B 18.6.3 (T23) - 2013		 球面圆柱头,头部带孔螺钉 [Table 23] (ASTM F837, F468)
Slotted Drilled Fillister Head Screws (Machine Screws Only) [Table 23] (ASTM F837, F468)
88 开槽球面扁圆柱头机械螺钉[Table 27] (ASTM F837, F468) [美标]
ASME B 18.6.3 (T27) - 2013		 开槽球面扁圆柱头机械螺钉[Table 27] (ASTM F837, F468)
Dimensions of Slotted Binding Head Screws (Machine Screws Only) (ASTM F837, F468)
89 开槽带孔圆柱头螺钉 [航天]
QJ 2368 - 1992		 开槽带孔圆柱头螺钉
Slotted cheese head screws with holes
90 开槽圆柱头螺钉 [航天]
QJ 2371 - 1992		 开槽圆柱头螺钉
Slotted cheese head screws
91 开槽球面圆柱头轴位螺钉 [航天]
QJ 2382 - 1992		 开槽球面圆柱头轴位螺钉
Slotted raised cheese head screws with shoulder
92 开槽球面大圆柱头螺钉 [航天]
QJ 2383 - 1992		 开槽球面大圆柱头螺钉
Slotted large raised cheese head screws
93 开槽带孔圆柱头螺钉 [航天]
QJ 2385 - 1992		 开槽带孔圆柱头螺钉
Slotted cheese head screws with holes
94 头部带保险孔的圆柱头螺栓 [航空]
HB 1- 127 - 2002		 头部带保险孔的圆柱头螺栓
Cheese head bolts with wire holes on head
95 头部带保险孔的圆柱头螺钉 [航空]
HB 1- 203 - 2002		 头部带保险孔的圆柱头螺钉
Cheese Head Screws With Wire Holes On Head
96 圆柱头螺钉 [航空]
HB 1- 202 - 1995		 圆柱头螺钉
Slotted Cheese Head Screws
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