HSS Single Flute Countersink Drill Bit
Ihe ngosi ngwaahịa
Igwe mmiri na-eju mmiri nwere ihu dị nkọ na njedebe nke njedebe ha, ebe ọjà spiral nwere akụkụ bevel, nke a na-akpọkarị rake angle, n'ọnụ ọnụ ha. Iji hụ na ezi centering na nduzi nke a akuakuzinwo, ọ na-abịa na a ndu post dabara snugly n'ime dị ugbu oghere na-ama na workpiece iji hụ na ezi centering na nduzi. N'ihi ogwe cylindrical a na isi nke nwere oghere oblique, a na-eme ka njigide dị mfe. A na-eji ọnụ ọnụ nke a na-agbanye n'ọnụ mee ihe nke ọma, nke kwesịrị ekwesị maka ịkpụcha ihe. Site na oghere site na oghere, ọkpụkpụ ígwè na-enwe ike ịtụgharị ma wepụ ya n'elu n'ihi oghere mgbawa mgbawa. Ndị agha Centrifugal nwere ike inye aka nke ukwuu n'ịkpochapụ ihe ndekọ ígwè dị n'elu ihe a na-arụ ọrụ, ka ha wee ghara ịcha elu ma na-emetụta ogo nke workpiece na-adịghị mma. Enwere ụdị akwụkwọ ntuziaka abụọ, enwere ike ịme oghere countersunk n'otu mpempe ma ọ bụrụ na ọ dị mkpa.
A na-eji Countersink eme ihe maka ọrụ dị iche iche gụnyere imegharị ihe na nhazi oghere dị nro. Nhazi ha pụrụ iche na nhazi ha na-eme ka ọ dịrị onye ọrụ mfe ịrụ ọrụ nke ọma ma melite ogo ngwaahịa emechara.
| Tụgharịa | D | L1 | d |
| 3/16" | 3/4" | 1-1/2" | 3/16" |
| 1/4" | 3/4" | 2" | 1/4" |
| 5/16" | 1" | 2" | 1/4" |
| 3/8" | 1” | 2” | 1/4" |
| 5/2" | 1” | 2” | 1/4" |
| 5/8 | 1-1/8" | 2-3/4" | 3/8" |
| 5/8" | 1-1/8” | 2-3/4” | 1/2" |
| 3/4" | 1-5/16" | 2-3/4" | 3/8" |
| 3/4" | 1-5/16” | 2-3/4" | 1/2" |
| 7/8" | 1-5/16” | 2-3/4” | 1/2" |
| 1” | 1-5/16" | 2-3/4" | 1/2" |
| 1-1/4” | 1-5/8" | 3-3/8" | 3/4" |
| 1-1/2" | 1-5/8 | 3-1/2" | 3/4" |
| 2” | 1-5/8 | 3-3/4” | 3/4" |
