ISCAR Cutting Tools - Metal Working Tools

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DR-4D-T : Indexable insert drills for non-rotating applications. Drilling depth 4xD.

Designation	D	L	L1	L4	D max	d	D3	Th	Th1
DR140-056-20-05-4D-T	14.00	56.0	77.0	50.0	15.90	20.00	27.70	NPT 1/4-18	NPT 1/16-27
DR160-064-20-05-4D-T	16.00	64.0	82.0	50.0	17.90	20.00	27.70	NPT 1/4-18	NPT 1/16-27
DR180-072-25-06-4D-T	18.00	72.0	94.0	56.0	20.90	25.00	32.00	NPT 3/8-18	NPT 1/16-27
DR210-084-25-07-4D-T	21.00	84.0	109.0	56.0	24.90	25.00	32.00	NPT 3/8-18	NPT 1/16-27
DR250-100-32-09-4D-T	25.00	100.0	133.0	58.0	27.90	32.00	42.00	NPT 1/2-14	NPT 1/16-27
DR280-112-32-09-4D-T	28.00	112.0	144.0	58.0	30.90	32.00	42.00	NPT 1/2-14	NPT 1/16-27
DR310-124-32-09-4D-T	31.00	124.0	157.0	58.0	31.90	32.00	42.00	NPT 1/2-14	NPT 1/16-27
DR320-128-32-09-4D-T	32.00	128.0	161.0	58.0	32.90	32.00	42.00	NPT 1/2-14	NPT 1/16-27
DR330-132-32-12-4D-T	33.00	132.0	169.0	58.0	34.90	32.00	50.00	NPT 1/2-14	NPT 1/16-27
DR350-140-32-12-4D-T	35.00	140.0	177.0	58.0	39.90	32.00	50.00	NPT 1/2-14	NPT 1/16-27
DR400-160-40-12-4D-T	40.00	160.0	197.0	68.0	44.90	40.00	50.00	NPT 3/4-14	NPT 1/4-18
DR450-180-40-16-4D-T	45.00	180.0	215.0	68.0	51.90	40.00	60.00	NPT 3/4-14	NPT 1/4-18
DR520-208-40-16-4D-T	52.00	208.0	243.0	68.0	55.90	40.00	60.00	NPT 3/4-14	NPT 1/4-18
DR560-224-40-16-4D-T	56.00	224.0	259.0	68.0	57.90	40.00	60.00	NPT 3/4-14	NPT 1/4-18
DR580-232-40-16-4D-T	58.00	232.0	267.0	68.0	58.90	40.00	60.00	NPT 3/4-14	NPT 1/4-18
DR590-236-40-16-4D-T	59.00	236.0	271.0	68.0	60.00	40.00	60.00	NPT 3/4-14	NPT 1/4-18

Hole tolerance: D+0.20/-0.05 in average conditions. However, it can be higher or lower according to machine and tooling conditions.