twist drill

Ang twist drill ay isang tool na nag-drill ng isang pabilog na butas sa isang workpiece sa pamamagitan ng rotational cutting na may kaugnayan sa isang fixed axis.Pinangalanan ito dahil ang chip flute nito ay hugis spiral at mukhang twist.Ang mga spiral grooves ay maaaring magkaroon ng 2, 3 o higit pang mga grooves, ngunit 2 grooves ang pinakakaraniwan.Ang mga twist drill ay maaaring i-clamp sa manual o electric handheld drilling tool o gamitin sa drill presses, milling machine, lathes at maging machining centers.Ang mga materyales sa drill bit ay karaniwang high-speed tool steel o carbide.

Tranrich carbide twist drill Bits Set drill set twist hss drill bit set Wall Brick Block Masonry Drilling Bits
Bagong Designed carbide twist drill Bits Set drill set twist hss drill bit set para sa stainless steel
Electric Hammer Drill Bits 5/6/8/10/12/14/16mm Cross Type Tungsten Steel Alloy SDS Plus para sa Masonry Concrete Rock Stone
99pc HSS Twist Drill Bit Set Tool Kit para sa bakal
6pcs Metric Thread M3-M10 Titanium Coated Drill HSS at Tap Bits 1/4″ Hex Shank
TCT Countersink drill bit high carbon steel straight shank 90 degrees chamfer crew hole para sa wood drilling
Cylinder Shape Double Cut Rotary Burrs File Tungsten Rotary File Carbide Burr Set
Triangle Handle Bit Drilling 6MM Glass Drill Bit Tile Drill Bit Set
cross hammer drill bit impact carbide drill bits concrete steel bar four-edged SDS PLUS
Hex Shank Drill Bit Glass Drill Bit Granite Drill Bits Para sa Tile Glass Marble

twist drill

Tranrich carbide twist drill Bits Set drill set twist hss drill bit set Wall Brick Block Masonry Drilling Bits

Bagong Designed carbide twist drill Bits Set drill set twist hss drill bit set para sa stainless steel

Electric Hammer Drill Bits 5/6/8/10/12/14/16mm Cross Type Tungsten Steel Alloy SDS Plus para sa Masonry Concrete Rock Stone

99pc HSS Twist Drill Bit Set Tool Kit para sa bakal

6pcs Metric Thread M3-M10 Titanium Coated Drill HSS at Tap Bits 1/4″ Hex Shank

TCT Countersink drill bit high carbon steel straight shank 90 degrees chamfer crew hole para sa wood drilling

Cylinder Shape Double Cut Rotary Burrs File Tungsten Rotary File Carbide Burr Set

Triangle Handle Bit Drilling 6MM Glass Drill Bit Tile Drill Bit Set

cross hammer drill bit impact carbide drill bits concrete steel bar four-edged SDS PLUS

Hex Shank Drill Bit Glass Drill Bit Granite Drill Bits Para sa Tile Glass Marble

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