Ang Hex Head Machine Screw, gaya ng ipinahihiwatig ng pangalan, ay isang uri ng machine screw na nagtatampok ng hexagonal head, na nagbibigay-daan para sa madaling paghihigpit at pagluwag gamit ang isang wrench o pliers. Ang mga tornilyo na ito ay karaniwang ginagamit sa mga application kung saan kinakailangan ang mataas na torque, tulad ng sa makinarya, automotive, at mga industriya ng konstruksiyon.
Ang Hex Head Machine Screws ay ginawa mula sa iba't ibang materyales, kabilang ang hindi kinakalawang na asero, carbon steel, at tanso. Ang pagpili ng materyal ay depende sa mga partikular na kinakailangan sa aplikasyon, tulad ng corrosion resistance, lakas, at cost-effectiveness.
Ang ilan sa mga pangunahing tampok ng Hex Head Machine Screws ay kinabibilangan ng kanilang tibay, paglaban sa kaagnasan, at kadalian ng pag-install. Bukod pa rito, ang kanilang hexagonal na disenyo ng ulo ay nagbibigay-daan para sa mas tumpak na paghihigpit at pag-loosening, na ginagawa silang isang popular na pagpipilian para sa mga application na nangangailangan ng mahigpit na akma.
Pangalan ng Produkto: |
Mga Dimensyon ng Type I Cross Recessed Pan Head Screws (ASTM F837, F468) ASME B 18.6.3 - 2013 |
Pamantayan: |
ASME B 18.6.3 - 2013 |
|
Materyal: |
Carbon steel at hindi kinakalawang na asero |
Sukat: |
Mga pamantayan ng sanggunian at ayon sa mga kinakailangan ng customer |
Tapos na: |
Zinc Plated, Hot Dip Galvanized Steel, Dacromet, Nickel Plated, Black Oxide, Plain |
Oras ng paghatid: |
Karaniwan sa 30-40 araw. |
Posisyon ng Thread |
Panlabas |
Uri ng Thread: |
UNC/UNF/UNEF/UNR/UNRC/UNRF/UNS/... |
Panloob na Pagmamaneho: |
Phillips / Pozidriv |
Panlabas na Pagmamaneho: |
Pan Head |
Uri ng Pag-lock: |
/
|
Shank: |
Pinababang Shank |
Punto: |
Flat Point |
Marka: |
Kung kinakailangan |
Laki ng Thread d |
|
d
|
Nominal na Sukat |
PP |
UNC |
dk |
max |
min |
k
|
max |
min |
R
|
min |
M
|
Ref. |
Socket No. |
Laki ng Driver |
P
|
Recess Penetration Gaging Depth |
max |
min |
|
0.0600
|
0.0730
|
0.0860
|
0.0990
|
0.1120
|
0.1250
|
0.1380
|
0.1510
|
0.1640
|
0.1900
|
0.2160
|
0.2420
|
/
|
64.0
|
56.0
|
48.0
|
40.0
|
40.0
|
32.0
|
/
|
32.0
|
24.0
|
24.0
|
/
|
0.116
|
0.142
|
0.167
|
0.193
|
0.219
|
0.245
|
0.270
|
0.296
|
0.322
|
0.373
|
0.425
|
0.476
|
0.104
|
0.130
|
0.155
|
0.180
|
0.205
|
0.231
|
0.256
|
0.281
|
0.306
|
0.357
|
0.407
|
0.457
|
0.044
|
0.053
|
0.062
|
0.071
|
0.080
|
0.089
|
0.097
|
0.106
|
0.115
|
0.133
|
0.151
|
0.169
|
0.036
|
0.044
|
0.053
|
0.062
|
0.070
|
0.079
|
0.087
|
0.096
|
0.105
|
0.122
|
0.139
|
0.156
|
0.005
|
0.005
|
0.010
|
0.010
|
0.010
|
0.015
|
0.015
|
0.015
|
0.015
|
0.020
|
0.025
|
0.035
|
0.060
|
0.067
|
0.097
|
0.105
|
0.115
|
0.152
|
0.159
|
0.170
|
0.175
|
0.192
|
0.252
|
0.274
|
0
|
0
|
1
|
1
|
1
|
2
|
2
|
2
|
2
|
2
|
3
|
3
|
0.032
|
0.040
|
0.052
|
0.061
|
0.071
|
0.072
|
0.080
|
0.089
|
0.097
|
0.113
|
0.124
|
0.144
|
0.014
|
0.022
|
0.034
|
0.043
|
0.053
|
0.046
|
0.055
|
0.064
|
0.071
|
0.089
|
0.098
|
0.118
|
|
Laki ng Thread d |
|
d
|
Nominal na Sukat |
PP |
UNC |
dk |
max |
min |
k
|
max |
min |
R
|
min |
M
|
Ref. |
Socket No. |
Laki ng Driver |
P
|
Recess Penetration Gaging Depth |
max |
min |
|
0.2500
|
0.2680
|
0.2940
|
0.3125
|
0.3200
|
0.3720
|
0.3750
|
0.4375
|
0.5000
|
0.5625
|
0.6250
|
0.7500
|
20.0
|
/
|
/
|
18.0
|
/
|
/
|
16.0
|
14.0
|
13.0
|
12.0
|
11.0
|
10.0
|
0.492
|
0.528
|
0.579
|
0.615
|
0.631
|
0.734
|
0.740
|
0.863
|
0.987
|
1.041
|
1.172
|
1.435
|
0.473
|
0.508
|
0.558
|
0.594
|
0.608
|
0.709
|
0.716
|
0.837
|
0.958
|
1.000
|
1.125
|
1.375
|
0.175
|
0.187
|
0.205
|
0.218
|
0.223
|
0.259
|
0.261
|
0.305
|
0.348
|
0.391
|
0.434
|
0.521
|
0.162
|
0.173
|
0.191
|
0.203
|
0.208
|
0.242
|
0.244
|
0.284
|
0.325
|
0.366
|
0.406
|
0.488
|
0.035
|
0.035
|
0.035
|
0.040
|
0.040
|
0.040
|
0.040
|
0.050
|
0.055
|
0.065
|
0.075
|
0.085
|
0.274
|
0.286
|
0.328
|
0.343
|
0.344
|
0.382
|
0.382
|
0.406
|
0.428
|
0.458
|
0.575
|
0.621
|
3
|
3
|
4
|
4
|
4
|
4
|
4
|
4
|
4
|
4
|
5
|
5
|
0.144
|
0.158
|
0.158
|
0.173
|
0.173
|
0.213
|
0.213
|
0.239
|
0.260
|
0.292
|
0.310
|
0.349
|
0.118
|
0.132
|
0.134
|
0.149
|
0.149
|
0.190
|
0.190
|
0.214
|
0.235
|
0.268
|
0.281
|
0.322
|
|
3),7#, 14#, 16#, 18#, 20#, 24# are for tapping screws only. 4),9/16, 5/8, 3/4 are for machine screws only. 5),The diameter of body on machine screws having other than trim heads shall not be less than the Class 2A thread minimum pitch diameter nor greater than the basic major diameter of the thread. ⑥,Machine Screw Length of Thread 1) Sizes No.5 and smaller. Screws of nominal lengths equal to three diameters and shorter shall have full-form threads extending to within one pitch (thread) of the bearing surface of the head, or closer, if practicable. Nominal lengths greater than three diameters, up to and including 1-1/8 in., shall have full-form threads extending to within two pitches (threads) of the bearing surface of the head, or closer, if practicable. Screws of longer nominal lengths shall, unless otherwise specified, have a minimum length of full-form thread of 1 in. 2) Sizes No.6 and smaller. Screws of nominal lengths equal to three diameters and shorter shall have full-form threads extending to within one pitch (thread) of the bearing surface of the head, or closer, if practicable. Nominal lengths greater than three diameters, up to and including 2 in., shall have full-form threads extending to within two pitches (threads) of the bearing surface of the head, or closer, if practicable. Screws of longer nominal lengths shall have a minimum length of full-form thread of 1.5 in. unless otherwise specified. ⑦,Machine Screw Material 1)non-heat-treated low carbon steel, such as1006 through 1038 2)When hardened machine screw are specified, they shall be made from low or medium carbon steel, such as 1018 through 1038, with or without boron, through-hardened to Rockwell C25-38
|
Tungkol sa Zhenkun Fasteners
Ang Ningbo Zhenkun Machinery Co., Ltd. ay isang nangungunang tagagawa at supplier ng mga de-kalidad na fastener, kabilang ang Hex Head Machine Screws. Sa mahigit 10 taong karanasan sa industriya, nakatuon kami sa pagbibigay sa aming mga customer ng pinakamahusay na kalidad ng mga produkto at serbisyo. Ang aming koponan ng mga eksperto ay nakatuon sa pagtiyak na ang aming mga customer ay makakatanggap ng pinaka-epektibo at maaasahang mga solusyon para sa kanilang mga pangangailangan sa pangkabit. Makipag-ugnayan sa amin ngayon para matuto pa tungkol sa aming mga produkto at serbisyo.
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