hakbang drill

Ang mga step drill ay pangunahing ginagamit para sa pagbabarena ng mga manipis na plate na bakal sa loob ng 3 mm.Maaaring gamitin ang isang drill bit sa halip na maraming drill bit upang iproseso ang mga butas na may iba't ibang diyametro kung kinakailangan, at ang malalaking butas ay maaaring iproseso nang sabay-sabay nang hindi kailangang palitan ang mga drill bit o drill positioning hole.maghintay.

6PCS HSS Straight Titanium Coated Metal Hole Step Drill Bit Set Para sa Pagputol ng Metal
3 pcs HSS step drill Titanium Coated Hex Shank 4-12mm 4-20mm 4-32mm step Cone Cutting Tools Steel Wood Metal Drilling Set
3pcs Matatanggal na Firewood Log Splitter Drill Bit Wood Splitter Drill Bits Para sa Woodworking
LARIX hot sale CO-Z 10 Sizes Titanium Step Drill Bit para sa Sheet Metal Hole Drilling Cutting
Drill Set 4-12mm 4-20mm 4-25mm Hss Hole Saw Steps Single Flute Kit Step Drill Bit Kit Metal Wood Drill

hakbang drill

6PCS HSS Straight Titanium Coated Metal Hole Step Drill Bit Set Para sa Pagputol ng Metal

3 pcs HSS step drill Titanium Coated Hex Shank 4-12mm 4-20mm 4-32mm step Cone Cutting Tools Steel Wood Metal Drilling Set

3pcs Matatanggal na Firewood Log Splitter Drill Bit Wood Splitter Drill Bits Para sa Woodworking

LARIX hot sale CO-Z 10 Sizes Titanium Step Drill Bit para sa Sheet Metal Hole Drilling Cutting

Drill Set 4-12mm 4-20mm 4-25mm Hss Hole Saw Steps Single Flute Kit Step Drill Bit Kit Metal Wood Drill

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