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NC E2 type VDI tool holder For boring bars with cylindrical shank

Product Advantages

Excellent rigidity: multi screw side locking, easy to shake during heavy boring and high feed milling;

Strong universality: One tool holder can be used interchangeably for boring bars and milling cutters, reducing tool holder inventory;

Efficient installation: VDI serrated positioning, fast tool change and adjustment speed;

Stable accuracy: precise grinding of the inner hole, high coaxiality of the circular handle tool clamping, and good smoothness of the inner hole;

Durable and wear-resistant: high hardness quenching, not easily deformed after long-term processing.

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NC E2 type VDI tool holder

Order No	d1	d2	d3	d4	d5	h1	h2	l1	l2	l3
E2-16X6	16	6	40	32	M6	18	18	13	44	34
E2-16X8	16	8	40	32	M6	18	18	13	44	34
E2-16X10	16	10	40	32	M6	18	18	13	44	34
E2-16X12	16	12	40	40	M8	18	18	13	44	34
E2-16X16	16	16	40	40	M8	18	18	13	44	34
E2-20X8	20	8	50	40	M6	-	23	18	50	41
E2-20X10	20	10	50	40	M6	-	23	18	50	41
E2-20X12	20	12	50	40	M8	-	23	18	50	41
E2-20X16	20	16	50	40	M8	-	23	18	50	41
E2-20X20	20	20	50	50	M8	-	23	18	50	51
E2-20X25	20	25	50	50	M8	-	23	18	60	41
E2-30X6	30	6	68	55	M6	28	30	22	60	51
E2-30X8	30	8	68	55	M6	28	30	22	60	51
E2-30X10	30	10	68	55	M6	28	30	22	60	51
E2-30X12	30	12	68	55	M8	28	30	22	60	51
E2-30X16	30	16	68	55	M8	28	30	22	60	51
E2-30X20	30	20	68	55	M8	28	30	22	60	51
E2-30X25	30	25	68	55	M8	28	30	22	60	51
E2-30X32	30	32	68	68	M8	28	30	22	75	61
E2-40X6	40	6	83	55	M6	32.5	-	22	75	41
E2-40X8	40	8	83	55	M6	32.5	-	22	75	51
E2-40X8	40	8	83	55	M6	32.5	-	22	75	13
E2-40X10	40	10	83	55	M6	32.5	-	22	75	51
E2-40X12	40	12	83	55	M8	32.5	-	22	75	51
E2-40X16	40	16	83	55	M10	32.5	-	22	75	61
E2-40X20	40	20	83	55	M10	32.5	-	22	75	61
E2-40X25	40	25	83	55	M10	32.5	-	22	75	61
E2-40X32	40	32	83	83	M10	32.5	-	22	75	61
E2-40X40	40	40	98	83	M1O	32.5	-	22	90	61
E2-50X10	50	10	98	68	M6	35	-	30	90	76
E2-50X12	50	12	98	68	M8	35	-	30	90	51
E2-50X16	50	16	98	68	M10	35	-	30	90	61
E2-50X20	50	20	98	68	M12	35	-	30	90	76
E2-50X25	50	25	98	68	M12	35	-	30	90	76
E2-50X32	50	32	98	68	M12	35	-	30	90	76
E2-50X40	50	40	98	98	M12	35	-	30	90	76
E2-50X50	50	50	98	98	M12	35	-	30	100	76
E2-60X16	60	16	123	68	M10	42.5	-	30	90	86
E2-60X20	60	20	123	68	M12	42.5	-	30	90	76
E2-60X25	60	25	123	68	M12	42.5	-	30	90	76
E2-60X32	60	32	123	68	M12	42.5	-	30	90	76
E2-60X40	60	40	123	98	M12	42.5	-	30	90	76
E2-60X50	60	50	123	98	M12	42.5	-	30	100	76

1. Standard definition and applicable equipment

E2 is a cylindrical straight hole tool holder under the DIN 69880 VDI standard, commonly known as VDI-E2 boring and milling cutter holder. It is specifically designed for VDI power tool towers of CNC lathes and turning and milling composite machines, holding cylindrical handle boring bars, end mills, and reamers, while also performing milling and boring processes.

Model Naming Rules (Example: E2-40 × 20)

E2: Type code (side fixed cylindrical hole, standard for external cooling)

40: VDI installation handle diameter (VD16/20/25/30/40/50/60)

20: Clamping inner hole diameter (Clamping tool shank diameter between 6 and 50)

2. Structure and clamping principle

Installation end: Rear serrated VDI handle, matched with machine tool turret VDI tool holder, strong positioning and locking rigidity, quick disassembly and assembly;

Clamping end: Straight through cylindrical hole, multiple hexagonal side fixing screws on the side press the round handle tool tightly;

Cooling structure: standard external cooling holes, some customized models with internal cooling channels, suitable for deep hole boring and chip removal;

Material hardness: Alloy structural steel, overall quenched HRC56~58, precision outer circle/inner hole precision grinding, runout ≤ 0.01mm.

3.Core application (milling+boring dual-use)

Boring processing: clamping integral hard alloy boring bar, adjustable precision boring tool, rough boring tool, inner hole rough/precision boring, step hole, blind hole;

Milling processing: clamping straight end milling cutter, keyway milling cutter, countersunk drill, turning milling combined with upper end milling, side milling, groove milling;

Other: Clamp the reamer, float the tap rod, and complete the reaming and tapping processes.

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DIN69880 E1 TYPE VDI tool holder

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