Din335 HSS Countersink Drill Bit
Ihe ngosi ngwaahịa
Akụkụ bụ isi ọnwụ nke countersink cylindrical bụ njedebe njedebe, ebe a na-ewere akụkụ bevel nke ọjà gburugburu dị ka akụkụ rake.N'ọnụ nke a akuakuzinwo ahụ nwere a ndu post na dabara tightly n'ime ẹdude oghere na workpiece iji hụ na ezi centering na nduzi.Emebere ihe eji eme ihe ka ọ bụrụ cylindrical, nke dị mma maka njigide.A na-akụ akụkụ isi ihe na-egbu anụ ma nwee oghere oblique na-agafe na ya.Oghere mkpọda nke ọnụ ọnụ a kpụrụ akpụ nwere mbelata nke enwere ike iji egbutu ya.Oghere ahụ site na oghere na-arụ ọrụ dị ka oghere mgbawa mgbawa, a ga-atụgharịkwa ibe ígwè ahụ wee tufuo ya elu.Ike centrifugal ga-enyere aka kpochapu ihe nkedo ígwè si n'elu nke a na-arụ ọrụ iji zere ịcha elu nke ọrụ ahụ ma na-emetụta àgwà.Ụdị akwụkwọ ntuziaka a nwere ike ịpụpụ, na akwụkwọ ntuziaka na countersink nwekwara ike ịme ka ọ bụrụ otu ibe.
N'ozuzu, countersink drill bụ ngwá ọrụ a na-ejikarị eme ihe maka nhazi oghere na countersinks.Ọdịdị ya na imewe ya na-enyere aka melite arụmọrụ ọrụ na nhazi nhazi.
Nha ngwaahịa
| D L1 d | D L1 d | ||||||||
| 4.3 | 40.0 | 4.0 | 12.4 | 56.0 | 8.0 | ||||
| 4.8 | 40.0 | 4.0 | 13.4 | 56.0 | 8.0 | ||||
| 5.0 | 40.0 | 4.0 | 15.0 | 60.0 | 10.0 | ||||
| 5.3 | 40.0 | 4.0 | 16.5 | 60.0 | 10.0 | ||||
| 5.8 | 45.0 | 5.0 | 16.5 | 60.0 | 10.0 | ||||
| 6.0 | 45.0 | 5.0 | 19.0 | 63.0 | 10.0 | ||||
| 6.3 | 45.0 | 5.0 | 20.5 | 63.0 | 10.0 | ||||
| 7.0 | 50.0 | 6.0 | 23.0 | 67.0 | 10.0 | ||||
| 7.3 | 50.0 | 6.0 | 25.0 | 67.0 | 10.0 | ||||
| 8.0 | 50.0 | 6.0 | 26.0 | 71.0 | 12.0 | ||||
| 8.3 | 50.0 | 6.0 | 28.0 | 71.0 | 12.0 | ||||
| 9.4 | 50.0 | 6.0 | 30.0 | 71.0 | 12.0 | ||||
| 10.0 | 50.0 | 6.0 | 31.0 | 71.0 | 12.0 | ||||
| 10.1 | 50.0 | 6.0 | 37.0 | 90.0 | 12.0 | ||||
| 11.5 | 56.0 | 8.0 | 40.0 | 90.0 | 15.0 | ||||
