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CENTRE-DRILL-TYP-B

HSS CENTRE DRILL – TYPE B

Generally it is used for B-Type Centre holes available with 60° & 120° countersink angle, spiral flutes.
For Centre holes with protecting chamfers.

Standard size available

Type B IS: 6709-1977
DIAMETER		OVER ALL		PILOT LENGTH
Pilot Dia	Body Dia	Max.	Min.	Max.	Min.
1.00	4.00	37.50	33.50	1.80	1.40
2.00	8.00	52.00	48.00	3.30	2.50
5.00	18.00	77.00	73.00	6.90	6.30
6.30	20.00	82.00	78.00	8.60	8.00

Additional information
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Additional information

Range Pilot Dia	1.00mm to 6.30mm
Range Body Dia	3.15mm to 25.00mm
Usage/Application	Metal Drilling
Material	High Speed Steel
Material Grade	M2, M35
Length	Standard and as per IS: 6709- 1977
Product Type	Straight Shank
Color	Silver
Country of Origin	Made in India
Brand	V3 Tools

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