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OPT Cutting Tools Co., Ltd.

External Cold Drills - manufacturer, factory, supplier from China

(Total 24 Products for External Cold Drills)

  • External cold twist drill carbide twist drills

    External cold twist drill carbide twist drills

    • Min. Order: 10 Bag/Bags

    • Transportation: Ocean,Land,Air

    External cold alloy twist drill carbide twist drills They are suitable for drilling steels and cast iron and are available in stub 3xD or jobber 5xD maximum drill depth The perfect partner for high productivity drilling Cemented carbide has a series of excellent properties such as high hardness wear resistance...

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  • OPT external grooving tool PCD grooving insert

    OPT external grooving tool PCD grooving insert

    • Brand: OPT

    • Packaging: Inner: Plastic case Outer:Gerneral Carton

    • Supply Ability: 10000 pcs/month

    • Min. Order: 10 Bag/Bags

    OPT external grooving tool PCD grooving insert Main performance indicators of PCD tool materials The hardness of 1PCD can reach 8000HV which is 80 120 times that of cemented carbide The thermal conductivity of 2PCD is 700W mK which is 1 5 9 times that of cemented carbide even higher than PCBN and copper Therefore the...

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  • PCD custom material cold forming machine cutter

    PCD custom material cold forming machine cutter

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    PCD custom material cold forming machine cutter PCD tool grades are therefore classified by the size of the diamond particles Fine medium and coarse particles according to manufacturer s guidelines Coarse grained PCD grades are stronger than fine grained PCD grades have better wear resistance and have a longer working...

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  • PCD engraving goldsmith tool drills bits

    PCD engraving goldsmith tool drills bits

    • Brand: OPT

    • Packaging: carton

    • Supply Ability: 10000 pcs/month

    • Min. Order: 10 Piece/Pieces

    PCD engraving goldsmith tool drills bits Although diamond has extremely high hardness its toughness is not as good as cemented carbide and it is larger than that of high speed steel Therefore the important failure pattern of PCD tools is chipping The chipping is usually caused by vibration during machining Reducing...

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  • PCD external thread milling cutter for sewing machine

    PCD external thread milling cutter for sewing machine

    • Brand: OPT

    • Packaging: Carton

    • Supply Ability: 10000 pcs/month

    • Min. Order: 10 Piece/Pieces

    PCD external thread milling cutter for sewing machine Processing of difficult non metal materials PCD tools are very suitable for processing difficult non metal materials such as stone hard carbon carbon fiber reinforced plastic artificial boards Processing these materials with PCD tools can effectively avoid defects...

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  • PCD wood turning texturing drills tools

    PCD wood turning texturing drills tools

    • Brand: OPT

    • Packaging: carton

    • Supply Ability: 10000 pcs/month

    • Min. Order: 10 Piece/Pieces

    PCD wood turning texturing drills tools Standard size full section PCD tools have a complete PCD top surface which is sintered on a carbide substrate Although full section tools start at a higher cost they are indexable and can be located on one side of the tool Provide multiple cutting edges At the time of purchase...

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  • Carbide indexable drills with coolant  deep holes

    Carbide indexable drills with coolant deep holes

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    High speed solid carbide spot drill bits Typically indexable drill bits are used in holes that are no deeper than about 5 times the bit diameter They are capable of quite high axial loads and cut very fast Almost all indexable drill bits have multiple coolant channels for prolonged tool life under heavy usage They are...

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  • Threaded carbide tipped drills bit

    Threaded carbide tipped drills bit

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Threaded carbide tipped drills bit Indexable drill bits are primarily used in CNC and other high precision or production equipment and are the most expensive type of drill bit costing the most per diameter and length Like indexable lathe tools and milling cutters they use replaceable carbide or ceramic inserts as a...

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  • Carbide countersink twist drills bit for steel

    Carbide countersink twist drills bit for steel

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Carbide countersink twist drills bit set for hardened steel Drills vary widely in speed power and size They are characteristically corded electrically driven devices with hand operated types dramatically decreasing in popularity and cordless battery powered ones proliferating Drills are commonly used in woodworking...

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  • Sharpen grinding carbide screw machine drills bit

    Sharpen grinding carbide screw machine drills bit

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Sharpen grinding carbide screw machine drills bit A drill is a tool primarily used for making round holes or driving fasteners It is fitted with a bit either a drill or driver depending on application secured by a chuck Some powered drills also include a hammer function And carbide drill bits often used with a cooling...

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  • Coolant thru carbide half round spade drills

    Coolant thru carbide half round spade drills

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Coolant thru carbide half round sapde drills Manufacturers can produce special versions of the twist drill bit varying the geometry and the materials used to suit particular machinery and particular materials to be cut Twist drill bits are available in the widest choice of tooling materials Twist drill bits range in...

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  • Imperial solid carbide spilt point drills

    Imperial solid carbide spilt point drills

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Imperial solid carbide spilt point drills The original method of manufacture about twist drills was to cut two grooves in opposite sides of a round bar then to twist the bar giving the tool its name to produce the helical flutes Nowadays the drill bit is usually made by rotating the bar while moving it past a grinding...

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  • Extended gun drilling drills for pipes

    Extended gun drilling drills for pipes

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Extended gun drilling drills for pipes Gun drilling The cutting tool is a fluted solid rod that has a hole bored down the center Coolant is pumped through a hole in the inside of the drill It flows back outside the drill through the flute bringing the chips with it Gun drills are straight fluted drills which allow...

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  • Carbide gun drills for CNC machine

    Carbide gun drills for CNC machine

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Carbide gun drills for CNC machine Gun drills can drill long straight holes in metal wood and some plastics The coolant provides lubrication and cooling to the cutting edges and removes the swarf or chips from the hole Modern gun drills use carbide tips to prolong life and reduce total cost when compared with steel...

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  • Screw gun drill high cutting speed drills

    Screw gun drill high cutting speed drills

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Screw gun drill high cutting speed drills Gun drills are straight fluted drills which allow cutting fluid either compressed air or a suitable liquid to be injected through the drill s hollow body to the cutting face Gun drills is a fluted solid rod that has a hole bored down the center Coolant is pumped through a hole...

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  • Sharpened gun drills for CNC machine

    Sharpened gun drills for CNC machine

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Sharpened gun drills for CNC machine Gun drilling can be done with limited performance on common CNC machines Holes with a depth to diameter ratio of 20 1 or greater generally require dedicated equipment to achieve the highest productivity and process reliability and can reach extreme ratios of 400 1 or greater...

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  • Long carbide gun retention drills on sale

    Long carbide gun retention drills on sale

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Long gun retention drills on sale Carbide gun drill is possible over a range of depths and diameters For diameters between 1 3 mm gun drilling can be performed successfully with special equipment It is a common process between 3 50mm in diameter It is also possible for the 50 75 mm range however less efficient than...

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  • Indexable gun drills inserted drill

    Indexable gun drills inserted drill

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Indexable gun drills inserted drill Gun drilling is a deep hole drilling process that uses a long thin cutting tool to produce holes in metal at high depth to diameter ratios Gun drills is effective in diameters from 1 50 mm Indexable drill bits are primarily used in CNC and other high precision or production...

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  • Carbide tipped twist drills dormer drills for metal

    Carbide tipped twist drills dormer drills for metal

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Carbide tipped twist drills dormer drills for metal Drill bits are cutting tools used to remove material to create holes almost always of circular cross section Drill bits come in many sizes and shapes and can create different kinds of holes in many different materials In order to create holes drill bits are usually...

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  • Imperial carbide tipped jobber twist drills

    Imperial carbide tipped jobber twist drills

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Imperial carbide tipped jobber twist drills Drilling capacity indicates the maximum diameter a given power drill or drill press can produce in a certain material It is essentially a proxy for the continuous torque the machine is capable of producing Typically a given drill will have its capacity specified for...

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  • Carbide twist drills with coolant holes

    Carbide twist drills with coolant holes

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Carbide twist drills with coolant holes Drills are used in surgery to remove or create holes in bone specialties that use them include dentistry orthopedic surgery and

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  • High speed carbide twist drills for cast iron

    High speed carbide twist drills for cast iron

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    High speed carbide twist drills for cast iron Long series drill bits are unusually long twist drill bits However they are not the best tool for routinely drilling deep holes as they require frequent withdrawal to clear the flutes of swarf and to prevent breakage of the bit Instead gun drill bits are preferred for deep...

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  • Superior carbide drills deep hole drilling for aircraft

    Superior carbide drills deep hole drilling for aircraft

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Superior carbide drills deep hole drilling for aircraft Twist drill bits range in diameter from 0 002 to 3 5 in 0 051 to 88 900 mm and can be as long as 25 5 in 650 mm The most common twist drill bit sold in general hardware stores has a point angle of 118 degrees acceptable for use in wood metal plastic and most...

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  • Solid carbide long drills coolant thru twist drills

    Solid carbide long drills coolant thru twist drills

    • Brand: OPT

    • Packaging: Inner:Plastic case Outer:Standard carton

    • Supply Ability: 5000 pcs/month

    • Min. Order: 2 Piece/Pieces

    Solid carbide long drills coolant thru twist drills Most drill bits for consumer use have straight shanks For heavy duty drilling in industry bits with tapered shanks are sometimes used Other types of shank used include hex shaped and various proprietary quick release systems The diameter to length ratio of the drill...

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Review

Hoseah Masedza

Jun 14, 2020 5

Excellent value
Robin Kuriakose

Jun 07, 2020 5

Good External Cold Drills . The price is good, too.
Vanessa Signorini

Jun 04, 2020 4

Ok! i recommend OPT company!Came quickly, Everything is fine, the packaging is exquisite
  • Related Information
"Sincerity, Innovation, Rigorousness, and Efficiency" may be the persistent conception of our organization for External Cold Drills , Internal Carbide Drills , Internal Coolant Step Drills , and successful and timely company. We welcome all clients.
"With this motto in mind, we have now grow to be one among quite possibly the most technologically innovative, cost-efficient, and price-competitive manufacturers for External Cold Drills , Internal Carbide Drills , Internal Coolant Step Drills , Our company always provides good quality and reasonable price for our customers. In our efforts we already have many shops in Guangzhou and our products and solutions have won praise from customers worldwide. Our mission has always been simple: To delight our customers with best quality hair merchandise and deliver on time. Welcome new and old customers to contact us for the future long term business relationships.

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Jen Li

Ms. Jen Li

Tel:86-755-27579101

Fax:86-755-27570606

Mobile Phone:+8613928413454Contact me with Whatsapp

Email:opt@tongweicn.com

Address:Room 609,Building 1,Dulex Hi-tech Park,Longhua District,Shenzhen,China, Shenzhen, Guangdong

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