ISCAR Cutting Tools - Metal Working Tools

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CHAMRING : Drill Holders used with UNISUMOCHAM or UNICHAMDRILL drills for drilling and chamfering in one operation.

Designation	D min	D max	d	D3	D2	L1	L4	d2
CHAMRING 080-WN20-06	7.50	8.40	8.00	25.00	18.80	47.4	50.0	20.00
CHAMRING 090-WN20-06	8.50	9.40	9.00	25.00	19.80	47.4	50.0	20.00
CHAMRING 100-WN32-09	9.50	10.40	10.00	38.00	24.90	67.3	60.0	32.00
CHAMRING 110-WN32-09	10.50	11.40	11.00	38.00	25.90	67.3	60.0	32.00
CHAMRING 120-WN32-09	11.50	12.40	12.00	38.00	26.90	67.3	60.0	32.00
CHAMRING 130-WN32-09	12.50	13.40	13.00	38.00	27.90	67.3	60.0	32.00
CHAMRING 140-WN32-09	13.50	14.40	14.00	38.00	28.40	67.3	60.0	32.00
CHAMRING 150-WN32-09	14.50	15.90	15.00	38.00	29.40	67.3	60.0	32.00
CHAMRING 160-WN32-09	16.00	16.90	16.00	38.00	30.40	67.3	60.0	32.00
CHAMRING 170-WN32-09	17.00	17.90	17.00	38.00	31.40	67.3	60.0	32.00
CHAMRING 180-WN32-09	18.00	18.90	18.00	38.00	32.40	67.3	60.0	32.00
CHAMRING 190-WN32-09	19.00	19.90	19.00	38.00	33.40	75.0	60.0	32.00
CHAMRING 200-WN32-09	20.00	20.90	20.00	38.00	34.40	75.0	60.0	32.00
CHAMRING 210-WN40-09	21.00	21.90	21.00	50.00	35.40	84.4	68.0	40.00
CHAMRING 220-WN40-09	22.00	22.90	22.00	50.00	36.40	84.4	68.0	40.00
CHAMRING 230-WN40-09	23.00	23.90	23.00	50.00	37.40	84.4	68.0	40.00
CHAMRING 240-WN40-09	24.00	24.90	24.00	50.00	38.40	84.4	68.0	40.00
CHAMRING 250-WN40-09	25.00	25.90	25.00	50.00	39.40	84.4	68.0	40.00

Note: For each Lmin Lmax pair, click on "More Info" in order to see which drill they refer to
Lmin & Lmax dimensions are based on the 45° chamfering insert
It is recommended to apply external coolant on the chamfering inserts. Reduce the recommended feed and speed of the drill being used by 50% when machining maximum chamfer size.
Chamfering angle (a°) depends on the chamfering insert being used