Index Plunger (Knobless) (NDX-N)

Brand :

IMAO

Caution

Product Description

The operating part can be operated remotely by screw connection. Available in steel and stainless steel.

[Features]
· Hand-operated spring plungers. The nose is easily retracted by pulling on the knob. By releasing the knob, the built-in spring returns the nose to its original position.
· The operating threads can be connected for remote operation, etc.

Index Plunger Specifications

Index Plunger (Knobless) (NDX-N): related image

External appearance of NDX-N (steel, single nut)

External appearance of NDX-WN-SUS (SUS, double nut)

Type	Main Body	Coil Spring	Nose
NDX-N NDX-WN	SUM22L Black oxide coating	SUS302WPA	SUM22L HRC58 to 62
NDX-N-SUS NDX-WN-SUS	SUS303		SUS420 HRC53 to 55
NDX-AN-SUS NDX-AWN-SUS	SUS303		SUS303

Index Plunger Dimensions

NDX-N/NDX-N-SUS/NDX-AN-SUS (single nut)

NDX-WN/NDX-WN-SUS/NDX-AWN-SUS (double nut)

Size		d (-0.02) (-0.04)	S	M	L₁	A	M₁	L	W₁	T₁	W	T	B	Load (N) Min To Max
NDX-N NDX-WN NDX-N-SUS NDX-WN-SUS NDX-AN-SUS NDX-AWN-SUS	8	4	4	M8 × 1	15	1	M3 × 0.5	32	10	6	13	4	2	6 to 12
	10	5	5	M10 × 1	17	1.3	M4 × 0.7	37	13	7	17	5	2	5 to 12
	12	6	6	M12 × 1.5	20	1.8	M6 × 1	42	14	8	19	6	3	6 to 14
	16	8	8	M16 × 1.5	26	2.3	M8 × 1.25	56	19	10	24	8		15 to 35
	20	10	10	M20 × 1.5	28	2.8	M8 × 1.25	62	22	12	30	10		15 to 34

Index Plunger Features

A hand-operated index plunger. The nose retraction position is easily set and released by pulling the threaded portion. When released, the built-in spring returns the nose to its original position.
Threaded portion can be used to connect control units for remote operation, etc.

Index Plunger Nose Mechanical Strength Table

Size		Allowable Shear Force (N)
NDX-N NDX-WN NDX-N-SUS NDX-WN-SUS NDX-AN-SUS NDX-AWN-SUS	8	377
	10	589
	12	848
	16	1,507
	20	2,355

Index Plunger Usage Examples / Procedures

Effective positioning by the nose.

When pulling the threaded portion the nose retracts.

Notes

If screwing the index plunger completely into the plate, chamfer the tapped hole on the plate side.

Size		Recommended Chamfer Size
NDX-N NDX-WN NDX-N-SUS NDX-WN-SUS NDX-AN-SUS NDX-AWN-SUS	8	60° chamfering, depth 2.5
	10	60° chamfering, depth 2.5
	12	60° chamfering, depth 3.5
	16
	20