Imisumari ya sima, ikunze kwitwa umusumari wibyuma, ni ubwoko bwumusumari, ukoresheje ibyuma bya karubone, ibikoresho ni ibyuma 45 cyangwa ibyuma 60, nyuma yo gushushanya insinga, annealing, gukora imisumari, kuzimya nibindi bikorwa, kubwibyo rero biragoye.Igikorwa cyayo ni ugutera imisumari mubindi bigoye cyane imisumari ku kintu, kubera ko ibikoresho n'imisumari isanzwe bitandukanye cyane, ni umusumari udasanzwe.Gukomera kwa sima ni binini cyane, binini kandi bigufi, ubushobozi bwo gutobora birakomeye cyane Umusumari wa sima wumukara, umusumari wubururu bwa sima
Ibisobanuro:
2 × 20mm2 × 25mm2 × 30mm 2.5 × 25mm2.5 × 30mm2.5 × 40mm 3 × 30mm3 × 40mm3 × 50mm 3 × 60mm3 × 60mm3 × 70mm3 × 80mm3 × 90mm3 × 100mm 4.2 x 75 mm4.2 x 100 mm4.2 x 125 mm
Imisumari ya sima y'amabara Ibisobanuro: 3 x 25mm3 x 30mm3.2 x 40mm 3.6 x 50mm4 x 60mm4.2 x 75mm 4.2 x 100mm
Imisumari ya sima ya Countersunk Ibisobanuro: 2.5 x 25mm.5 x 30mm.5 x 40mm3 x 30mm3 x 40mm3.2 x 50mm 3.6 x 65mm4 x 75mm4.2 x 100mm
K imisumari ya sima, imisumari ya sima Ibisobanuro: 3 x 25mm3 x 40mm3.8 x 25mm 3.8 x 40mm3.8 x 50mm3.8 x 65mm 3.8 x 75mm3.8 x 100mm
Gupakira imisumari
① 20-25kg / ikarito mubwinshi ② 20-25kg / ikibaho cyibiti mubwinshi ③100 ibice / agasanduku udusanduku twinshi / ikarito ④75 ibice / agasanduku udusanduku twinshi / ikarito ⑤ 400g / agasanduku 50 agasanduku / ikarito ⑥ 500g / agasanduku 40 agasanduku / ikarito
Imisumari ya sima ya galvanised (ubunini bumwe kumubiri ugororotse cyangwa wambaye ubusa) Ibisobanuro: 1.8 × 20mm4.2 × 75mm 2 × 25mm4.57 × 100mm 3 × 40mm4.8 × 80mm 3.4 × 50mm4.8 × 90mm 3.8 × 65mm5 × 125mm
Gupakira imisumari
.