Name: Double Ended Drill Bits
Brand: Shengtian Group
Availability: InStock
Rating: 5 (1 reviews)

Description

Double Ended Drill Bits Manufacturer,Drill Bits Factory,Double Ended Drill Bit Supplier

　　Double-ended drill bits are unique because there are two bit sides you can use. After one side of the bit gets dull, you can flip it to the new side. The benefit of having double-ended bits is that they save you money and time delays from having to stop what you are doing to replace your bit. Just flip it and keep drilling! The double-ended drill bits can also be made from your choice of premium high-speed steel, titanium, and cobalt, all excellent materials for oil construction.

Product Description

Material	HSS4241(HSS4341,M2,M35 is available)
Point Angle	118°/135°
Size	3-5.2mm, 7/64"-1/4", 10#, 20#, 30#
Process	Fully Ground
Flutes	2
Design	Double ended straight shank
Surface	Bright (Black Oxide, Amber Color, Titanium, Black & Gold, Black & Bright are Available)
Type	Right hand cutting
Package	10/5 Pcs in PVC Pouch, Plastic Box, Individually in Skin Card, Double Blister, Clamshell.
Features	1.The twist drill adopts a double head design, which saves material, is economical and practical, durable and efficient, and brings you a huge return on investment 2.Drilling of stainless steel, iron, aluminum alloy, wood, plastic, etc. 3..Double end----Double-head drill can be used both ends, and the cost-effective ratio is higher.. 4.2 flutes form helps clear chips and debris away from the bit, decreasing friction and heat for a faster, cooler drilling process

Packaging & Shipping

Double Ended Drill Bits Parameter

Diameter (D)	Working length (L1)	Total length (L2)	Diameter (D)inch	Working length (L1)inch	Total length (L2)inch
3.0mm	15mm	49mm	1/16	3/8	1-1/2
3.2mm	15mm	49mm	5/64	3/8	1-1/2
3.5mm	16mm	52mm	3/32	3/8	1-11/16
4.0mm	16mm	52mm	7/64	1/2	1-13/16
4.2mm	17mm	54mm	1/8	1/2	1-13/16
4.5mm	18mm	58mm	9/64	5/8	2-1/16
5.0mm	19mm	61mm	5/32	5/8	2-3/16
5.2mm	19mm	61mm	3/16	5/8	2-5/16
/	/	/	7/32	3/4	2-5/8
/	/	/	1/4	3/4	2-7/8
/	/	/	#7	5/8	2-5/16
/	/	/	#11	5/8	2-5/16
/	/	/	#20	5/8	2-3/16
/	/	/	#26	5/8	2-1/16
/	/	/	#27	5/8	2-1/16
/	/	/	#30	1/2	1-13/16

　　We apply a protective anti-rust oil to both finished and semi-finished drills, which helps:

　　Prevent Corrosion

　　The coating keeps the drills safe from rust and oxidation, ensuring they stay in good condition during storage and transport.

　　Extend Shelf Life

　　The protective layer ensures that the drills remain in top condition for a longer period.

　　Easy Handling and Maintenance

　　The coating makes the drills easier to handle and clean, keeping them ready for use.

　　Ensures that our high-speed steel drills stay durable and reliable