Chimwe chekushandiswa kwekutanga kwezvipikiri izvi ndechekugadzira basa.Iwo anonyanya kubatsira pakuisa studs kana misoro pamadziro ekongiri.Iyo checkered countersunk musoro wembambo inopinda mukati memukati wekongiri, ichipa yakachengeteka uye inogara inobata.Izvo zvakare zvakanaka pakurembera zvinhu zvinorema semasherufu, makabati, uye magirazi.Nezvipikiri izvi, unogona nyore kugadzika zvinhu pamadziro ekongiri pasina njodzi yekudonha kana kuputsika.
Izvi zvipikiri zvekongiri zvakare isarudzo yakanakisa yemhando dzakasiyana dzezvivakwa zvekuvaka.Dzakakwana pakugadzirisa mataira ematenga epadenga penzvimbo dzekongiri uye nekuisa mapuranga epasi paconcrete subfloors.Nesimba ravo guru rekubata, zvipikiri izvi zvinovimbisa kuti zvinhu zvose zvinogara panzvimbo yakasimba uye zvakachengeteka.Chimwe chimiro cheCheckered Countersunk Head Concrete Nails ndiyo musoro wavo we countersunk.Izvi zvinoreva kuti misoro yezvipikiri inonyudzwa zvishoma mukati mekona yekrete, ichipa kupera kwakanaka uye kusina musono.Ichi chakawedzerwa chimiro hachingoite kuti zvipikiri zvitaridzike zvakanyanya kunaka asi zvakare zvinoderedza njodzi yekugumburwa pamusoro pezvipikiri zvakabuda.
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 |
|
Waya Zvigadzirwa Zvenyika Yakasiyana
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 |
Rudzi uye Chimiro cheNails Musoro
Mhando uye Chimiro cheNails Shank
Mhando uye Chimiro cheNails Point