Murfin sprial na telescopic sprial an yi shi ne da tsiri mai inganci na ƙarfe mai kauri kuma ana yi masa magani da zafi don kare sukurori na ƙwallon, shaft da sassan sanda. Hannun kariya ba ya taɓawa da ɓangaren kariya ta hanyar flange mai tsakiya da aka ɗora a ƙarshen ɓangaren kariya biyu. Amincin haɗin da ke tsakanin hannun kariya da flange mai tsakiya ana gane shi ta hanyar ƙarfin roba mai ƙarfi, don haka yana da ƙarfi a aiki, sassauƙa da sassauƙa, kuma yana da ƙarancin amo. Fuskar baƙar fata ce kuma tana sheƙi, kuma tana daidaitawa da yawancin sassan flange akan injin.
An keɓance hannun riga mai kariyar ƙarfe mai karkace bisa ga sigogi kamar diamita na sukurori na ƙwallon, sassan shaft da sanda, da kuma nisan motsi. Saboda haka, ana amfani da waɗannan hanyoyin yayin yin oda:
1. Ana zaɓar masu amfani bisa ga ƙa'idodin da masana'antarmu ta bayar.
2. Masu amfani suna ba da hannun kariya na D, Lmax, Lmin (buƙata ta musamman D2)
An tsara kuma an ƙera ta ta hanyar masana'antarmu, farashin ana ƙididdige shi bisa ga ƙa'idodi na yau da kullun.
1. Mai amfani ne ke yin flange na murfin kariya na ƙarfe mai karkace. Masana'antarmu tana ba da zane-zane.
2. Farashin oda mai yawa zai sami rangwame
Ba a buƙatar 3.D2 ba sai dai girman akwati na musamman.
| Bayani dalla-dalla | Lmax(mm) | Lmin (mm) | D1 (mm) | D2 (mm) | Bayani dalla-dalla | Lmax(mm) | Lmin (mm) | D1 (mm) | D2 (mm) |
| 20-250-30 | 250 | 30 | 20 | 40 | 70-400-80 | 400 | 80 | 70 | 95 |
| 30-250-45 | 250 | 45 | 3 | 41 | 70-750-100 | 750 | 100 | 70 | 94 |
| 30-450-50 | 450 | 50 | 030 | 50 | 70-1400-120 | 1400 | 120 | 70 | 104 |
| 30-600-50 | 660 | 50 | 30 | 56 | 70-1800-120 | 1800 | 120 | 70 | 120 |
| 40-300-45 | 300 | 45 | 40 | 54 | 75-400-80 | 400 | 80 | 75 | 89 |
| 40-550-50 | 550 | 50 | 40 | 67 | 75-600-100 | 600 | 100 | 75 | 95 |
| 40-800-80 | 800 | 80 | 40 | 65 | 75-900-120 | 900 | 120 | 75 | 97 |
| 40-950-80 | 950 | 80 | 40 | 69 | 75-1200-120 | 1200 | 120 | 75 | 104 |
| 50-550-50 | 550 | 50 | 45 | 73 | 75-1600-1100 | 1600 | 110 | 75 | 115 |
| 45-700-80 | 700 | 80 | 45 | 68 | 80-400-80 | 400 | 80 | 80 | 94 |
| 45-900-100 | 900 | 100 | 45 | 70 | 80-600-120 | 600 | 120 | 80 | 97 |
| 45-1000-100 | 1000 | 100 | 45 | 73 | 80-900-110 | 900 | 110 | 80 | 105 |
| 50-500-50 | 500 | 50 | 50 | 72 | 80-1200-120 | 1200 | 120 | 80 | 115 |
| 50-700-80 | 700 | 80 | 50 | 70 | 80-1400-120 | 1400 | 120 | 80 | 120 |
| 50-900-100 | 900 | 100 | 50 | 77 | 85-400-80 | 400 | 80 | 85 | 100 |
| 45-1200-100 | 1200 | 100 | 50 | 84 | 85-600-100 | 600 | 100 | 85 | 105 |
| 55-350-50 | 350 | 50 | 50 | 72 | 85-800-125 | 800 | 125 | 85 | 106 |
| 55-550-80 | 550 | 80 | 55 | 72 | 85-1000-125 | 1000 | 125 | 85 | 126 |
| 55-800-80 | 800 | 80 | 55 | 78 | 85-1200-125 | 1200 | 125 | 85 | 132 |
| 55-1000-120 | 1000 | 120 | 55 | 77 | 90-400-100 | 400 | 100 | 90 | 105 |
| 55-1400-110 | 1400 | 110 | 55 | 86 | 90-600-100 | 600 | 100 | 90 | 111 |
| 60-400-50 | 400 | 50 | 60 | 79 | 90-800-125 | 800 | 125 | 90 | 111 |
| 60-600-80 | 600 | 80 | 60 | 78 | 90-900-125 | 900 | 125 | 90 | 127 |
| 60-900-100 | 900 | 100 | 60 | 87 | 90-1200-125 | 1200 | 125 | 90 | 137 |
| 60-1200-120 | 1200 | 120 | 60 | 88 | 95-400-100 | 400 | 100 | 95 | 110 |
| 60-1600-120 | 1600 | 120 | 60 | 98 | 95-600-125 | 600 | 125 | 95 | 112 |
| 65-400-50 | 400 | 0 | 65 | 85 | 95-800-125 | 800 | 125 | 95 | 130 |
| 65-700-80 | 700 | 80 | 65 | 87 | 95-1000-125 | 1000 | 125 | 95 | 137 |
| 65-1000-100 | 1000 | 100 | 65 | 95 | 100-600-120 | 600 | 125 | 100 | 118 |
| 65-1400-110 | 1400 | 110 | 65 | 99 | 100-800-120 | 800 | 120 | 100 | 135 |
| 65-1800-110 | 1800 | 110 | 65 | 109 | 120-600-125 | 600 | 125 | 120 | 150 |