6Pcs Center Drill Bits,Drillpro HSS Lathe Mill Center Drill

6Pcs Center Drill Bits,Drillpro HSS Lathe Mill Center Drill Bits,60 Degrees Countersink Drill Bits for Steel, Metal, Iron, Alum, Carbon Steel, Brass,Wood,3/76” 1/17” 1/9” 6/61” 1/8” 1/5”

6pcs Drillpro HSS Center Drill Bits for Steel, Metal, Iron, Alum, Carbon Steel, Brass, and Wood

Specification:
A set of Center Drill Bits includes the 6 sizes:
#1 with 1/6" body diameter & 0.04" drill tip diameter
#2 with 1/6" body diameter & 0.06" drill tip diameter
#3 with 1/5" body diameter & 0.08" drill tip diameter
#4 with 1/4" body diameter & 0.10" drill tip diameter
#5 with 1/3" body diameter & 0.12" drill tip diameter
#6 with 1/2" body diameter & 0.20" drill tip diameter

Usage:
●Center drill bits are used to drill a conical hole for a lathe center in order to make a starting point for a standard twist drill so as to prevent the twist drill from walking.
●Center drill bits are also used for producing center holds in components or work-pieces with required machining between centers.

Instructions:
◀Choose a match type of center drill bits according to the hole type and the straight hole size of the machined parts.
◀The heat treatment hardness of center drill bit is between 63-66HRC appropriate.
◀Wash the rust-proof grease before using the center drill bit, so as to avoid chip sticking on the cutting edge.
◀The surface of work-piece should be smooth to avoid center drill bit being damaged.
◀The center drill bit should achieve the required position accuracy before drilling.

Notes:
●Stop immediately in the processing of abnormality when using the center drill bit and find out the reason before processing;
●Pay attention to the condition of center drill bits, especially the wear and tear of the cutting edge and timely repair;
●Clean the center drill bit and use oil after using, keep center drill bits properly.

√Why Choose DRILLPRO
▶Good quality and reliable brand.
▶Within 90 days product quality is not completely satisfied, please CONTACT US, 100% refund.
▶24-hour feedback excellent customer service.
Country USA
Brand DRILLPRO
Manufacturer Drillpro
Binding Kitchen
ItemPartNumber DRILLPROQKOaoko132
EANs 6459655272630
ReleaseDate 0000-00-00

Country	USA
Brand	DRILLPRO
Manufacturer	Drillpro
Binding	Kitchen
ItemPartNumber	DRILLPROQKOaoko132
EANs	6459655272630
ReleaseDate	0000-00-00

6Pcs Center Drill Bits,Drillpro HSS Lathe Mill Center Drill Bits,60 Degrees Countersink Drill Bits for Steel, Metal, Iron, Alum, Carbon Steel, Brass,Wood,3/76” 1/17” 1/9” 6/61” 1/8” 1/5”

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