amoolo Titanium Step Drill Bit (15 Sizes), 3/16" to 1-1/4" (4-32mm) HSS 1/4" Hex Shank Unibit for Metal, Wood, Plastic with Metric Index

【15 Step Sizes】Includes 3/16\",1/4\", 5/16\", 3/8\", 1/2\", 9/16\", 5/8\", 11/16\", 13/16\", 7/8\", 15/16\",1\", 1-1/8\", 1-3/16\",1-1/4\" (4,6,8,10,12,14,16,18,20,22,24,26,28,30,32mm).Comes with a portable plastic box to prevent from rust.

【Wide Application】Prefect for sheets of √Metal √Wood √Plastic √Aluminum √Copper × NOT FOR Steel and Harde Metal. Suitable for Home DIY, General Building and Engineering Use.

【HSS with Titanium Coating】Industry grade fully ground high speed steel with titanium coating reduces friction and drills with less heat, which ensures strong wear-resistance and durability.

【Efficient Design】√1/4\" Hex-Shank quich change fits into majority pistol drill and drill press securely without slip and shedding √135° X-type split point and Two-flute double cutting blades design garuantees a faster and smoother cutting, allows particles escape easily. No center punch is needed.

【90 Days Warranty】If you are not fully satisfied with our product for any reason, please contact us for 100% refund or replacement.

style:

3/16" to 1-1/4" (15 sizes)

Retail Price: $ 13.99

Wholesale Price: Inquire Now

Amoolo Step Drill Bit Key Features


Hard & Durable Industry grade High Speed Steel with titanium coating can reduce friction and run cooler, which ensures prolonged wear-resistance and durability. Hardness is certificated as 60 HRC.	Precise Performance 135°Split Point provides fast cutting with Quick Change Hex Shank provides fast and precise cutting while prevents walking and shedding; Laser calibration offers accurate positioning assistance.	Quick Particles Removal Fully Ground double flutes design clears particles quickly, decreases friction and heat for a faster, cooler and clean drilling performance.	Universal Use & Easy to Store Compatible with majority brands of electric drills or bench drills on the market Comes with an extra plastic box to prevent from rust. Easy to store in toolbox or pocket.


Be Vertical Keep the drill bits vertical to the object when drilling Be sure to make both bit and workpiece stable. Tilted bit is prone to break	Control Speed and Pressure When using bits with a power drill, it is recommended to use them with low speed and drilling pressure The thicker the bits is, the slower speed and pressure should be taken The bigger the step is, the slower speed and pressure should be taken (1000r/s-150r/s)	Stay Cool Friction will accumulate heat between bits and the material being drilled Pay attention to the heat, add water or coolant if necessary	Right Drilled Material Certificated as 60 HRC. DO NOT USE to drill material whose hardness is same as or higher than our product Thick material are recommended to be drilled with drill press, which is more stable and adjustable For high-efficient drilling, thickness of material shall be less than that of each step


	Amoolo Titanium Step Drill Bit Set (10 Sizes)	Amoolo Titanium Step Drill Bit Set (15 Sizes)	Amoolo Titanium Step Drill Bit Set (3Pcs,Total 28 Sizes)	Amoolo Titanium Twist Drill Bit Set 60 Pcs	Amoolo M35 Cobalt Twist Drill Bit Set 13 Pcs	Amoolo Countersink Drill Bit Set 10 Pcs
Product Material	Titanium-Coated HSS	Titanium-Coated HSS	Titanium-Coated HSS	Titanium-Coated HSS	M35 Cobalt HSS	High-Carbon Steel
Package	1 PC	1 PC	3 PCS	60 PCS	13 PCS	10PCS + 1 Hex Key Wrench
Drill Bit Size	1/4",3/8",1/2",5/8",3/4",7/8",1",1-1/8",1-1/4",1-3/8"	3/16",1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 11/16", 13/16", 7/8", 15/16",1", 1-1/8", 1-3/16",1-1/4"	Bit #1 (6STP） - 3/16", 1/4", 5/16", 3/8", 7/16", 1/2" Bit #2 (9STP) - 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" Bit #3 (13STP) - 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"	3/64", 1/16", 5/64", 3/32", 7/64", 1/8" x 10 Pcs each	1/16”, 5/64”, 3/32”, 7/64”,1/8”, 9/64”, 5/32”,11/64”, 3/16,13/64”, 7/32”,15/64”, 1/4” x 1 Pcs each	countersink drill bits for #3, #4, #5, #6, #7, #8, #10, #12,#16 and #19
Material Application	Sheets of Metal, Wood, Plastic, Aluminum, Copper	Sheets of Metal, Wood, Plastic, Aluminum, Copper	Sheets of Metal, Wood, Plastic, Aluminum, Copper	Soft metal, Wood, ,Aluminum Alloy Plastic, Steels <5 mm	Stainless Steel, Cast Iron, Wood, Aluminum Alloy and Other Softer Metals	Wooden planks, Fiberboard, Particle board, Plywood, Plastic, PVC and soft metals

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amoolo Titanium Step Drill Bit (15 Sizes), 3/16" to 1-1/4" (4-32mm) HSS 1/4" Hex Shank Unibit for Metal, Wood, Plastic with Metric Index

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Shipping Notices

Product Description

Amoolo Step Drill Bit Key Features


Hard & Durable Industry grade High Speed Steel with titanium coating can reduce friction and run cooler, which ensures prolonged wear-resistance and durability. Hardness is certificated as 60 HRC.	Precise Performance 135°Split Point provides fast cutting with Quick Change Hex Shank provides fast and precise cutting while prevents walking and shedding; Laser calibration offers accurate positioning assistance.	Quick Particles Removal Fully Ground double flutes design clears particles quickly, decreases friction and heat for a faster, cooler and clean drilling performance.	Universal Use & Easy to Store Compatible with majority brands of electric drills or bench drills on the market Comes with an extra plastic box to prevent from rust. Easy to store in toolbox or pocket.


Be Vertical Keep the drill bits vertical to the object when drilling Be sure to make both bit and workpiece stable. Tilted bit is prone to break	Control Speed and Pressure When using bits with a power drill, it is recommended to use them with low speed and drilling pressure The thicker the bits is, the slower speed and pressure should be taken The bigger the step is, the slower speed and pressure should be taken (1000r/s-150r/s)	Stay Cool Friction will accumulate heat between bits and the material being drilled Pay attention to the heat, add water or coolant if necessary	Right Drilled Material Certificated as 60 HRC. DO NOT USE to drill material whose hardness is same as or higher than our product Thick material are recommended to be drilled with drill press, which is more stable and adjustable For high-efficient drilling, thickness of material shall be less than that of each step


	Amoolo Titanium Step Drill Bit Set (10 Sizes)	Amoolo Titanium Step Drill Bit Set (15 Sizes)	Amoolo Titanium Step Drill Bit Set (3Pcs,Total 28 Sizes)	Amoolo Titanium Twist Drill Bit Set 60 Pcs	Amoolo M35 Cobalt Twist Drill Bit Set 13 Pcs	Amoolo Countersink Drill Bit Set 10 Pcs
Product Material	Titanium-Coated HSS	Titanium-Coated HSS	Titanium-Coated HSS	Titanium-Coated HSS	M35 Cobalt HSS	High-Carbon Steel
Package	1 PC	1 PC	3 PCS	60 PCS	13 PCS	10PCS + 1 Hex Key Wrench
Drill Bit Size	1/4",3/8",1/2",5/8",3/4",7/8",1",1-1/8",1-1/4",1-3/8"	3/16",1/4", 5/16", 3/8", 1/2", 9/16", 5/8", 11/16", 13/16", 7/8", 15/16",1", 1-1/8", 1-3/16",1-1/4"	Bit #1 (6STP） - 3/16", 1/4", 5/16", 3/8", 7/16", 1/2" Bit #2 (9STP) - 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" Bit #3 (13STP) - 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"	3/64", 1/16", 5/64", 3/32", 7/64", 1/8" x 10 Pcs each	1/16”, 5/64”, 3/32”, 7/64”,1/8”, 9/64”, 5/32”,11/64”, 3/16,13/64”, 7/32”,15/64”, 1/4” x 1 Pcs each	countersink drill bits for #3, #4, #5, #6, #7, #8, #10, #12,#16 and #19
Material Application	Sheets of Metal, Wood, Plastic, Aluminum, Copper	Sheets of Metal, Wood, Plastic, Aluminum, Copper	Sheets of Metal, Wood, Plastic, Aluminum, Copper	Soft metal, Wood, ,Aluminum Alloy Plastic, Steels <5 mm	Stainless Steel, Cast Iron, Wood, Aluminum Alloy and Other Softer Metals	Wooden planks, Fiberboard, Particle board, Plywood, Plastic, PVC and soft metals

Shipping Notices:

1 Contraband and limited items:

Clgarette,Alcohol,Contraband ?Do not accept

Liquid,cream or cosmetics items are quantity limited in shopping agent service

Chinese medicine is limited to ship by Chinese exporting goods.

2 Limitation for different shipping methods:

3 Yoybuy Product's Label:

Sensitive Product(SEN)

Product With battery

Cream

Powder

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4 Volume weight Requested:

volume weight=length*height*Width/5000

one side must be less than 120cm，otherwise there is additional fee；250cm products can not be accept；

Any side must be less than 60cm，otherwise you will be charged the greater one between real weight and volume weight，more than 120cm will be not accepted.