Kugenzura Countersunk Umutwe wa beto
Gusaba
Imwe muma progaramu yibanze yiyi misumari nugukora akazi.Zifite akamaro cyane mugihe ushyiraho sitidiyo cyangwa imitwe kurukuta rwa beto.Umutwe wagenzuwe wumutwe wumusumari winjira mubutaka bwa beto, utanga umutekano kandi urambye.Nibyiza kandi kumanika ibintu biremereye nkibigega, akabati, nindorerwamo.Ukoresheje imisumari, urashobora gushira ibintu byoroshye kurukuta rwa beto nta ngaruka zo kugwa cyangwa kumeneka.
Ikiranga
Iyi misumari ya beto nayo ni amahitamo meza kumishinga itandukanye yo kubaka.Nibyiza gutunganya amabati yo hejuru hejuru ya beto no gushiraho imbaho hasi hejuru ya beto.Nimbaraga zabo zisumba izindi zo gufata, iyi misumari yemeza ko ibintu byose biguma mumwanya ushikamye kandi mumutekano.Ikindi kintu kiranga Checkered Countersunk Head Concrete Nail ni umutwe wabo.Ibi bivuze ko imitwe yimisumari yarengewe gato hejuru ya beto, itanga umusozo utuje kandi utagira ikizinga.Iyi mikorere yongeyeho ntabwo ituma imisumari isa neza gusa ahubwo inagabanya ibyago byo gukandagira imisumari.
Ibikoresho
| Sus | C | Si | Mn | P | S | Ni | Cr | Mo | Cu |
| 304 | 0.08 | 1.00 | 2.00 | 0.045 | 0.027 | 8.0-10.5 | 18.0-20.0 | 0.75 | 0.75 |
| 304Hc | 0.08 | 1.00 | 2.00 | 0.045 | 0.028 | 8.5-10.5 | 17.0-19.0 |
| 2.0-3.0 |
| 316 | 0.08 | 1.00 | 2.00 | 0.045 | 0.029 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | 0.75 |
| 430 | 0.12 | 0.75 | 1.00 | 0.040 | 0.030 |
| 16.0-18.0 |
|
Ibirango by'insinga kubihugu bitandukanye
| mm | CN.WG | SWG | BWG | AS.WG |
| 1G |
|
| 7.52 | 7.19 |
| 2G |
|
| 7.21 | 6.67 |
| 3G |
|
| 6.58 | 6.19 |
| 4G |
|
| 6.05 | 5.72 |
| 5G |
|
| 5.59 | 5.26 |
| 6G | 5.00 | 4.88 | 5.16 | 4.88 |
| 7G | 4.50 | 4.47 | 4.57 | 4.50 |
| 8G | 4.10 | 4.06 | 4.19 | 4.12 |
| 9G | 3.70 | 3.66 | 3.76 | 3.77 |
| 10G | 3.40 | 3.25 | 3.40 | 3.43 |
| 11G | 3.10 | 2.95 | 2.05 | 3.06 |
| 12G | 2.80 | 2.64 | 2.77 | 2.68 |
| 13G | 2.50 | 2.34 | 2.41 | 2.32 |
| 14G | 2.00 | 2.03 | 2.11 | 2.03 |
| 15G | 1.80 | 1.83 | 1.83 | 1.83 |
| 16G | 1.60 | 1.63 | 1.65 | 1.58 |
| 17G | 1.40 | 1.42 | 1.47 | 1.37 |
| 18G | 1.20 | 1.22 | 1.25 | 1.21 |
| 19G | 1.10 | 1.02 | 1.07 | 1.04 |
| 20G | 1.00 | 0.91 | 0.89 | 0.88 |
| 21G | 0.90 | 0.81 | 0.81 | 0.81 |
| 22G |
| 0.71 | 0.71 | 0.73 |
| 23G |
| 0.61 | 0.63 | 0.66 |
| 24G |
| 0.56 | 0.56 | 0.58 |
| 25G |
| 0.51 | 0.51 | 0.52 |
Gukora imisumari
Ubwoko nishusho yimisumari
Ubwoko nishusho yimisumari Shank
Ubwoko nishusho yimisumari
