CONDITION — USED

Cutting edges dull — requires resharpening before use. OAL is 10", consistent with new. Includes original CJT OEM case (Style 172, Size 9/32). Not intended for interrupted cut drilling.

DESCRIPTION

Used Koolcarb CJT Series 172 carbide-tip coolant-through extra length drill. Cutting edges dull, requires resharpening before use. OAL is at nominal 10". Series 172 is CJT’s extra length platform, rated for deep-hole applications up to 28× diameter. Original CJT OEM case included. Specs confirmed from official CJT Series 172 specification sheet.

TECHNICAL SPECS

Brand	Koolcarb CJT
EDP	17202812
MPN (on tool)	08990
Series	172
Type	Carbide-tip coolant-through 4-facet extra length drill
Diameter	9/32" (0.2812")
Shank diameter	9/32" straight
Overall length (OAL)	10"
Flute length	8"
Point angle	125°
Point style	4-facet, web-thinned
Flute style	Straight
Cut direction	Right-hand
Body material	HSS
Tip material	Submicron carbide
Finish	Bright, uncoated
Cutting dia tolerance	+.0000 / -.0010"
Shank dia tolerance	+.0000 / -.0010"
Depth capacity	12 to 28× diameter
Shank marking	KOOLCARB #08990 17202812 USA 2-H
Packaging	Original CJT OEM case included (Style 172, Size 9/32)
Country of manufacture	USA

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