Oghere Bi-Metal hụrụ Drill Bit HSS Hole Cutter maka Osisi na Ọla
Ihe ngosi ngwaahịa
Emebere ya na oghere oval elongated, nke a na-emebe iji wepu ịcha osisi n'ọrụ ịsa osisi n'ụzọ dị mfe wee mee ka ọ dị jụụ nke ọma.Enwere ike iji ihe mkpuchi dị ka mmiri gbochie ikpo oke ọkụ n'oge a na-egwupụta ihe.
N'iji ihe bimetallic dị elu, ngwaahịa a bụ ihe na-agbapụta nchara, 2mm dị arọ, na-adịgide adịgide, ma nwee ogologo ndụ ọrụ 50%;ọ na-egosipụtakwa nguzogide corrosion dị mma na nguzogide okpomọkụ.Ihe owuwu bi-metal na-enye ụbara nkwụsi ike, na-eme ka ọ dị mma maka ndị ọrụ na-achọ ngwa ngwa, ụzọ dị ọcha iji bee ígwè.Alloys Zinc na-adịgide adịgide, na-eguzogide corrosion na-esikwa ike ịkpụ.
N'iji agụba eze, ịkpụcha ngwa ngwa ma dị nro.O nwere otu ezé dị nkọ nke na-enye mkpụcha dị ọcha ma dị larịị.Ọ dịkwa oke mma, ọ dịkwa n'etiti 43mm ruo 50mm dabere na oghere a na-egbutu.
Enwere ịdọ aka ná ntị na a naghị atụ aro ịkwọ oghere a maka ojiji na konkịtị, ceramic tile, ma ọ bụ nnukwu ígwè.A naghị akwado ya na mandrel na pilot.
| Nha | Nha | Nha | Nha | Nha | |||||||||
| MM | Inch | MM | Inch | MM | Inch | MM | Inch | MM | Inch | ||||
| 14 | 9/16" | 37 | 1-7/16” | 65 | 2-9/16" | 108 | 4-1/4” | 220 | 8-43/64” | ||||
| 16 | 5/8" | 38 | 1-1/2" | 67 | 2-5/8" | 111 | 4-3/8" | 225 | 8-55/64" | ||||
| 17 | 11/16" | 40 | 1-9/16" | 68 | 2-11/16” | 114 | 4-1/2" | 250 | 9-27/32 | ||||
| 19 | 3/4" | 41 | 1-5/8” | 70 | 2-3/4' | 121 | 4-3/4" | ||||||
| 20 | 25/32" | 43 | 1-11/16” | 73 | 2-7/8" | 127 | 5” | ||||||
| 21 | 13/16" | 44 | 1-3/4" | 76 | 3” | 133 | 5-1/4" | ||||||
| 22 | 7/8" | 46 | 1-13/16" | 79 | 3-1/8' | 140 | 5-1/2" | ||||||
| 24 | 15/16" | 48 | 1-7/8' | 83 | 3-1/4' | 146 | 5-3/4” | ||||||
| 25 | 1" | 51 | 2" | 86 | 3-3/8' | 152 | 6” | ||||||
| 27 | 1-1/16" | 52 | 2-1/16" | 89 | 3-1/2" | 160 | 6-19/64" | ||||||
| 29 | 1-1/8” | 54 | 2-1/8" | 92 | 3-5/8" | 165 | 6-1/2" | ||||||
| 30 | 1-3/16" | 57 | 2-1/4" | 95 | 3-3/4" | 168 | 6-5/8" | ||||||
| 32 | 1-1/4" | 59 | 2-5/16" | 98 | 3-7/8" | 177 | 6-31/32” | ||||||
| 33 | 1-5/16” | 60 | 2-3/8" | 102 | 4" | 200 | 7-7/8" | ||||||
| 35 | 1-3/8" | 64 | 2-1/2" | 105 | 4-1/8" | 210 | 8-17/64" | ||||||
