Top 21 4 Drill Bits
1. EDiamondTools
Dry Core Bit for Brick and Block with Pilot Bit – 4″ Diameter – SDS Plus Arbor – #30/40 Diamond
3040 diamond grit for drilling soft brick soft masonry and block Diameter 4 inch pilot bit included Drilling depth 95 Sds plus rotary mode only High diamond concentration and quality guarantee longer coring life solid poured concrete not recommended
2. HYMNORQ
Downloadable user guide weve summed up some tips of drilling metals including a rpm chart for several common metals based on our reviews and some articles on the internet In most cases our customers would get a much better result with these tips Welcome to download 135split point the 135quickcut split point are selfcentering and able to penetrate metals quickly with less pressure prevent bits from walking and wanding Easy cutting without need of center punch
For metalworking particularly successful in cutting through hard metalshardness less than hrc38 such as stainless steel and cast iron although they can be used for softer materials like copper and aluminium too Not for hardened steel high carbon steel Try to adjust the rpm when it fails to penetrate 10pc metric bits the set includes 10pcs of 4mm m35 cobalt steel twist drill bits Well packed in a plastic case for convinient storage Manufactured to german din338 standard
Cobalt steel manufactured from m35 cobalt steel with molybdenum and cobalt added to creates a hardened alloy measuring rockwell hardness up to 67 for much faster cutting and extra longer life span with up to twelve times when compared with an average hss drill bit
3. Aimeiya
High quality material our center drill bit is made of high quality material which is solid also enhance wear resistance and remove chippings clearly Easy to store and portable the countersink lathe mill tools come with a storage case which is easy to store and convenient to take and we are very happy to either provide a refund or a replacement on your purchase after 45days ordering please feel free to contact us if you have any issues about the lathe mill center drill Multiple sizes it comes with 7 pcs center drill bits set they are in size 10 15 20 25 30 40 50 which can meet your different needs
Multifunction applications the center drill bit can work with lathe machines to drill holes in mold steel cast iron alum carbon steel wood thread mold and other tough material it will improve the the efficiency of drilling 60 degree tip angle the center drill tip is accurate 60 degree which can be used to process the centering hole and countersink of general material It will be your great helper in drilling accurate centering holes
4. TYI
High qualitymade of industry grade steel the 4 x 16 auger drill bit with glossy black painted finish the 16 x 9 with glossy green painted finish Package list1 pc 4 x 16 auger 1 pc 16 x 9 auger If youre not satisfied with this item at any time within one month of purchase well provide a refund or replacement Easy to use use a 38inch 18v or greater drill on a slow speed to drill into your landscape and lift the rapid planter out of the created hole
Handy for plantingsave knees back from stress and save planting time Various applicationsplanting tilling mixing loosening soil and post hole digging
5. HANSHAN
Dimension 916inch head diameter 316 inch shank diameter and overall length is 54inch Antislip end the fish bit was designed with a three flat tip shank to prevent slipping in chuck Application this fish bit works great for running wire in finished ceilings and walls with minimal damage Pulling cable fish eye hole provided near tip of flutes to aid in pulling wire inside wall cavity from either direction after drilling without damage to the wall
Flexibility our bits are made from high quality material and the max flex is 90
6. VASGOR
Various applications a professional landscapers choice for dramatically increasing efficiency when planting bulbspotted plants vegetables flowers bare root trees and shrubs tilling soil or planter boxes mixing seed soil fertilizer paint or batches of mortar mix for hardscapes effortlessly dig post holes or even bring it on vacation to drill a hole in sand to anchor your beach umbrella Perfect bulb planting auger auger drill bit for tulips iris bulbs bedding plants and seedlings Also great for digging weeds up by the roots Quickly digs holes up to 12 inches deep and 4 inches wide using the power of your hand held drill
Money back guarantee we stand behind our products If you have any problem with the item please feel free to contact us and we will resovle the issue for you immediately Cordless auger drill bit digssave time and energy Use in any electric or cordless drill that can accommodate a 38 bit No better tool for digging holes in your yard
Easy to use will work with any 38 or larger chucked drill 18v or greater drill recommended Plant hundreds or just a few bulbs in minutes Keep auger clean from soil and debris when not in use
7. TITGGI
Satisfy all you demand package includes 5 pcs drill bit set 14 14 516 38 12 there are 4 differenct concrete drill bit sizes that will help in drilling by starting with the smallest bit and continuing to the size needed Professional drill bits widely used titggi concrete drill bit set ideal for drilling fastner holes in bathroom tiles or wall mirrors can easily drill holes on tile concrete brick glass ceramic wood and reduces breakout please cooling with water and control the speed when drilling Easy to install use this concrete drill bit set is suitable for most general drill electric drill hand drill and bench drill strong tungsten carbide drill bit tip and longer service life of titggi masonry drill bit the double utype groove slot design brings fast drilling dust remove and 3flats shank allows drill bit easy plug and to be held tightly
High quality drill bit set titggi concrete drill bit industrial strength carbide drill bit tip excellent abrasion resistance make the drilling much more easier This masonry drill bit can easily penetrate various material glass ceramic tile marble wood travertine ceramic stone concrete brick hard plastic cement etc
Worry free For genuine masonry drill bit please identify titggi brand concrete drill bit set international tool brands with guaranteed quality We will offer you an exchange or refund no questions asked Feel free to contact us via email if you have any quesion
8. Relton
1/4″ x 4″ long Groo-V Tip Granite, Marble and Porcelain Multi-Purpose Drill Bit – Pack of 25 GRT-4-4
Overall length 4 in 1016 mm Designed for drilling marble granite porcelain tile hard metal plastic wood masonry Shank diameter 14 in 63 mm Drilling depth 214 in 571 mm Point diameter 14 in 63 mm
9. BOSCH
BOSCH HC2046 1/4 In. x 18 In. SDS-plus Bulldog Rotary Hammer Bit
Diameter 14 flute length 160 length 180 overall length 180 quantity 1 shank diameter 00 useable length 16 Proprietary bosch hardening process results in more holes per bit Optimized brazing and hardening process for long life Ideal for anchoring and throughhole applications in concrete Boschmade carbide tip is tougher and more durable under heavy loads
15 percent faster compared to s4l
10. EDiamondTools
4″ Aggressive Wet Core Diamond Drill Bits for Concrete and Other Masonry 1-1/4″-7 Threaded Arbor
Wet use only 3040 diamond grit designed for drilling hard concrete hard brick and other hard masonry Drilling depth 14 Diameter 4 inches 114 7 threaded arbor
11. FTG USA
Storage containers for this set available below on this page at section make it a bundle Quality built counter bore attaches to flats on shank with 2 hex screws for a secure fit and can be adjusted for controlled pilot hole depth Tapered drill pointed tip with widened flutes for drilling fast clean pilot holes and ensures tight fit for screws tapered drill bit can be replaced with a replacement bit of the same type and size ftg 2342p for extended life logo brand laser printed on each countersink shank offering confidence in product authenticity Universal 14 inch hex shank prevents slipping in standard chucks and is compatible with all 14 inch quickchange chucks including impact drills this product is professionally manufactured in china counterbore size 38 inch plug size 38 inch Reusable packaging set combinationdesign protected by us copyright office
Bit secured with pin never comes loose from shank top quality material components highly durable tapered drill bit hss m2 by far the most popular high speed steel for its high toughness wear resistance and good cutting edge retention 4 cutter 45 carbon steel 4 screw countersink featuring a 764 inch tapered and fluted drill bit hss m2 drill countersink and counterbore in 1 step the countersink cutter doesnt clog up providing superior speed and clean finish
Adjustable 4cutter counter bore chamfer angle 82 degree cuts and clears chips quicker for fast smooth countersinking the countersink works effortlessly even after many uses it makes clean and consistent tapered holes for screws without the need of a stop collar counterbore size 38 plug size 38
12. BOSCH
BOSCH SP515 4 Piece Hex Shank Countersink Drill Bit Set with #6, 8, 10, and #12
Countersink screw pilot bits designed for hex shanks for countersinking precision pilot holes Replaceable drill bits for longer accessory life Adjustable countersink depth for use with an allen wrench Fourpiece set includes no 6 8 10 and 12 hex shank screw pilot bits Onestep operation provides countersinking and counterboring in one operation
13. Sabre Tools
High quality masonry drill bits designed to work in brick stone concrete and block 14 hex shank masonry bit set can be used with impact drivers and regular screw guns for added nonslip ability 14 x 4 x 6 masonry hammer drill bits 10 pack set ideal for use with tapcon concrete screws Bit features uflute with selfcentering carbide tip ensuring fast cut speeds and maximum life
Our concrete drill bits have an optimized design allowing material to quickly move out of the hole while bit remains cool
14. VORTEX DIAMOND
Vortex diamond vtxmax premium grade vpoint segmented core bits provide excellent performance in drilling cured concrete and asphalt Diameter 4 arbor 1147mm threaded drill depth 18 Use wet only Segment height 0395 10 mm segment width 0145
15. Sipery
Durable hss cobalt drill bit provide strong durable performance compared to typical hss drill bits Multipurpose use hss drill bits are successful in cutting hard metals such as stainless steel copper aluminum alloy and also can be used for softer materials Material hss cobalt high speed steel for super abrasive resistance in tough metals improve much higher heat resistance because of cobalt steels high red hardness
Specification 10pcs 4mm cobalt drill bits each kit contains a total of ten drill bits in the same size blade length 43mm17inch 118 degree point straight shank Easy to carry the twist drill bits are housed in plastic case for easy storage easy to carry out homework
16. OXTUL
135 tip twist design increases cutting speed with selfcentering and prevents walking clears chips and particles faster Package size 12 pieces in a plastic bag diameter 516 inch total length 4 inch working length 234 inch Professional diy use for use on metal wood plastics Not for use on concrete masonry stainless steel Perfect match for workshop or service vehicles Bright finish classic m2 high speed steel construction with bright finish for proven capability and durability
Strength hardness made with hss m2 steel rock wall hardness level hrc 6263
17. DEWALT
Impact ready strength to stand up to the power of todays impact drivers Metal gearcase with quick bit ejection for durability and convenience on any jobsite Handle flexible shaft and modular handle designed to reduce vibration for comfort and control Rare earth magnet retains fastener for easy onehanded use
Long life gears provide 10x longer life 15in head height for ultimate accessibility
18. BOSCH
BOSCH 4-Inch x 17-Inch x 22-Inch SDS Max Rotary Hammer Core Bit HC8555 , Gray
The bit diameter is 4 inches and the shank diameter is 071 inches Versatile this core bit is versatile in application with materials including concrete brick and block Power with an integral shank the hc8555 offers better power transmission and is designed to allow smaller hammers to drill larger holes Dimensions the bosch hc8555 sdsmax core cutter measures 4inches in diameter The useable length is 17inches and the overall length is 22inches
Only for use with sdsmax rotary hammers Efficient the bosch sdsmax carbidetipped rotary hammer core bit features an effective wave design to transfer energy for up to 40 percent speedier drilling versus other bit designs
19. COMOWARE
Meet your demands great drill bits set for metalwoodplastic countersink Suitable for home diy and general buildingengineering use Quick change 14 inch hex shank fits into all power tools more easily and securely specially for locking into quick change chuck Organized holder a drill bits holder with size index is included in the set for easy storage and organizing The drill bits set fits the majority of brands currently on the market
Hss titanium coating classic hss construction with titanium coating for capability and durability The cutting edge is hardened and honed for sharpness chatterfree design with staggered cutting teeth ensure the precise countersinking and hole smooth clean Flutes form 2 flutes form helps clear chips and debris away from the bit decreasing friction and heat for a faster cooler drilling process
20. Top Hill
Money back guarantee we support our products If you have any questions about the product please feel free to contact us we will solve the problem for you immediately Easy and efficient workthis garden auger spiral drill bit is so easy to use just put it in your drill drill a hole anywhere from an inch to several inches deep in just a couple seconds quickly digging speed prevent you from back strain dont need to bend over so much to dig holes like the traditional way using a shove Perfect size garden auger drill bit includes two sizes of bits 4 x 16 and 16 x 9 100 steel solid shaft 38 nonslip hex drive fits most electric or cordless drills Use the power of a handheld drill to quickly dig holes 34 inches wide
Premium quality top hill auger drill bit for planting is made of heavy duty manganese steel with light green paint coated for long service time The garden auger drill bit will not rust corrode crack or break Wide range of usesthe universal hexagonal shaft size can be perfectly matched with any 38 or larger chuck drill It effortlessly digs out weeds from the roots Garden auger spiral drill bit is very suitable for planting bulbs potted plants vegetables flowers and naked root trees and shrubs plowing soil or planting boxes
21. Dremel
Dremel 631 Brad Point Bits, 4 Pieces
Titanium coated brad points stay on center and begin drilling immediately Highspeed drill bits ideal for drilling into wood Compatible with all dremel rotary tools Now drill holes up to 14 diameter Includes bits for 18 532 316 and 14 18 shank on all bit sizes
We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
About Author
