Toolings

Boring Heads / Kits

CKB MICRO BORING HEADS FINE BORING EWN SERIES

DOLPHIN CKB Series Micro Fine Boring Head EWN Series is suitable for Finish boring from range 20mm to 203 mm. Each head provides its specified range of Boring, with adjustable spare cartridges. These heads are through coolant. Boring heads can be adjusted to Boring needs and depth can be extended by using suitable Adaptor length.

Model / Range		Internal Boring	Counter Boring	Insert	H (height)
Model / Range	Cartrige	Range	Range	Insert	H (height)
CKB-1, EWN 20MM-36MM	ENH1-1	20-26		TPGT-08	32
	ENH1-2	25-31	30-31
	ENH1-3	30-36	30-36
CKB-2, EWN 25 MM - 47 MM	ENH2-1	25-33			37
	ENH2-2	32-40	36-47
	ENH2-3	39-47	39-47
CKB-3, EWN 32 MM- 60 MM	ENH3-1	32-42			37
	ENH3-2	41-51	46-51
	ENH3-3	50-60	50-60
CKB-4, EWN 40MM-79MM	ENH4-1	41-54		TPGT-11	47
	ENH4-2	53-66	58-66
	ENH4-3	61-74	61-74
CKB-5, EWN 53MM-95MM	ENH5-1	53-70	62-70		56
	ENH5-2	68-85	69-85
	ENH5-3	78-95	78-95
CKB-6, EWN 68MM-150MM	ENH6-1	68-100	80-100		66
	ENH6-2	93-125	93-125
	ENH6-3	125-150	125-150
CKB-6, EWN 100MM-203MM	ENH7-1	100-153	112-153		66
	ENH7-2	125-178	125-178
	ENH7-3	150-203	150-203

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TWIN CUTTER - ROUGH BORING HEADS - TWN SERIES

DOLPHIN Twin cutter Rough Boring head TWN series, have twin cartridges. Offer boring range from 19 mm to 164 mm. Boring heads can be adjusted to Boring needs and depth can be extended by using suitable Adaptor length.

Model / Range	H	Insert
CKB-1 TWN 19MM-26 MM	30	CCMT06020
CKB-2 TWN 25MM-33MM	35	CCMT06020
CKB-3 TWN 32MM-42 MM	40	CCMT06020
CKB-4 TWN 40MM-55 MM	50	CCMT09T30
CKB-5 TWN 52MM-70 MM	60	CCMT09T30
CKB-6 TWN 68MM-92 MM	70	CCMT12040
CKB-6 TWN 90MM-122 MM	85	CCMT12040
BST -TWN 120MM-164MM	95	CCMT12040

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Adaptors for Fine Boring Heads

DOLPHIN Adaptors for Fine Boring heads in CKB series for EWN and TWN boring heads, offer robust and high accuracy clamping for the suitable Boring heads, Available in various Boring head ranges and lengths for Boring depths.

Model / Range
BT 40 CKB 1 X 100 L
BT 40 CKB 1 X 130 L
BT 40 CKB 2 X 100 L
BT 40 CKB 2 X 165 L
BT 40 CKB 3 X 100 L
BT 40 CKB 3 X 165 L
BT 40 CKB 4 X 100 L
BT 40 CKB 4 X 150 L
BT 40 CKB 5 X 100 L
BT 40 CKB 5 X 150 L
BT 40 CKB 6 X 100 L
BT 40 CKB 6 X 150 L
BT 40 BST-100 L

Other sizes of BT40/bt 50 CKB Adaptors not mentioned above available on request

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F1 Rough Boring Heads

DOLPHIN F-1 Rough Boring heads, come in various diameters to suit Varied Rough Boring ranges. These can be fitted with Brazed tipped Boring tools as per diameter of the holes in the head. Heads have a common Thread pitch to be held on suitable Boring shanks.

MODEL	D	H	MAX OFFSET	BORING BARDIA	MIN RADUATION	DIAL OF BORING
F1-12mm	50MM	63	16mm	12mm	0.01mm	10-125mm
F1-18	75MM	80	25mm	18mm	0.01mm	12-225mm
F1-25mm	100MM	88	41mm	25mm	0.01mm	15-630mm

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F1 Rough Boring Heads Shanks

BT-30 / BT-40 / BT- 50

ISO-30 / ISO-40

R8 (MNTR)

MT-3/MT-4

DOLPHIN F1 Rough Boring head Shanks, are made to Suit F-1 boring heads. Shanks are available in ISO, BT, R-8 series.

MODEL	T	L	THREAD
BT30 / BT40 / BT50	M16 - 2.0P	102	1.1/2"X18
NT (ISO)30	M12 - 1.75P	102	1.1/2"X18
NT (ISO) 40	M16 - 2.0P	135	1.1/2"X18
R8	M12 / 12 X 1.5/ 7/16 - 20UNF	132.5	1.1/2"X18
MT-3 /MT-4	M12/M16	120/150	1.1/2"X18

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Fine Boring Head Set

DOLPHIN Fine Boring head set, offer a wider range of Boring diameter in one single head, by changing the required cartridges. Shanks of BT 50 / HSK / BBT can be availed for the same head.

BT40-Range 8-280mm (0.01mm)

Spare Shank for
Fine Boring Head: Bt 50 Taper

Model	Boring Range	Mid Graduation	Max Offset	Weight
NBH2084	8-280MM	0.01MM	28.0MM	3.0

Boring Cutter	Boring Range	DM	Insert	Bolt	Wrench	Weight
BJ2208-32	8 - 11	32	TBGT060102L	SB-1STR-M2	T6	0.095
BJ2010-40	10 - 13	40	TBGT060102L	SB-1STR-M2	T6	0.095
BJ2012-53	12 - 17	53	TBGH090202L	SB-2STR-M2.5	T8	0.12
BJ2016-68	16 - 21	68	TBGH090202L	SB-2STR-M2.5	T8	0.16
BJ2020-83	20 - 130	83	TPGH110302L	SB-3STR-M3	T8	0.22
BJ2025-96	25 - 135	96				0.34
BJ2030-115	30 - 140	115				0.54
BJ20-20	120 - 280	84 + BT bar				0.23

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Fine Boring Head Set BT40- Range 8-204mm (0.005mm)

Boring Cutter	Boring Range	DM	Insert	Screw	Wrench
SBJ 1608	8 - 38.	32	TBGH 0601 L	M2	T-6
SBJ 1612	12 - 42.	53	TBGH0902 L	M2.5	T-8
SBJ 1620	20 - 50.	83	TBGH1103 L	M3	T-10
SBJ 1645	45 - 75	90	TBGH1103 L	M3	T-10
NO. 1	74 - 103	-	TBGH1103 L	M2	T-6
NO. 2	99 - 128	-	TBGH1103 L	M2	T-6
NO. 3	124 - 153	-	TBGH1103 L	M2	T-6
NO. 4	147 - 176	-	TBGH1103 L	M2	T-6
NO. 5	172 - 203	-	TBGH1103 L	M2	T-6

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Spare Shank for Fine Boring Head: Bt 50 Taper

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