Indexing plunger | SM 1271-1

SCHOLZ MECHANIK GmbH

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Product information "Indexing plunger | SM 1271-1 "

Stop bolt
with ring or knob
with or without rest position

Material:
ST:
threaded body: steel, zinc plated, blue passivated
plunger pin: stainless steel, 1.4305 / AISI 303
knob:
not removable
KU: plastic (Polyamide PA) black, matt finish
pressure spring: stainless steel 1.4310 / AISI 301
lifting ring / wire loop: stainless steel 1.4310 / AISI 301

NI:
threaded body: stainless steel, 1.4305 / AISI 303
plunger pin: stainless steel, 1.4305 / AISI 303
knob:
not removable
KU: plastic (Polyamide PA) black, matt finish
pressure spring: stainless steel 1.4310 / AISI 301
lifting ring / wire loop: stainless steel 1.4310 / AISI 301

Form A: without lock nut, with ring
Form AK: with lock nut, with ring
Form B: without lock nut, with knob
Form BK: with lock nut, with knob
Form C: without lock nut, with rest position
Form CK: with lock nut, with rest position

This stop bolts are a range of low cost Indexing plungers which score highly on small dimensions. Knob not removable.
Their use should, however be limited to such applications where high precision indexing is not required.
For high precision use our indexing plungers SM 1271 or SM 1273 (with hardened plunger).
Distance bushings see SM 1273-6.

RoHS-compliant: yes

Colour:	Knob / Handle: black
Compliance:	RoHS compliant
Material:	Body: stainless steel, Body: steel, Knob / Handle: Plastic, Stainless steel, Steel
Speciality:	With detent lock, With knurling, With lock nut, Without detent lock, With pull ring, with knob / handle, without lock nut
Surface:	Stainless steel - bright, Steel - zinc plated
Type of use:	Bolt, Indexing plunger / indexing pin

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Indexing plunger | SM 1271

Stop bolt with hexagon collar with or without rest position Material: ST: steel, blackenedplunger pin hardened knob: not removable KU: plastic (Polyamide PA) black, matt finishNI: stainless steel, 1.4305 / AISI 303plunger chemically nickel platedknob: not removableKU: plastic (Polyamide PA) black, matt finish NI: stainless steel / AISI 303Compression spring: stainless steel 1.4310Lock nut ISO 8675: stainless steel A2 Form A: steel, without rest position, without lock nut, with knob KUForm AK: steel, without rest position, with lock nut, with knob KUForm AN: stainless steel, without rest position, without lock nut, knob KUForm AKN: stainless steel, without rest position, with lock nut, knob KUForm ANN: stainless steel, without rest position, without lock nut, knob NIForm AKNN: stainless steel, without rest position, with lock nut, with knob NI Form B: steel, with rest position, without lock nut, with knob KUForm BK: steel, with rest position, with lock nut, with knob KUForm BN: stainless steel, with rest position, without lock nut, with knob KUForm BKN: stainless steel, with rest position, with lock nut, with knob KUForm BNN: stainless steel, with rest position, without lock nut, knob NIForm BKNN: stainless steel, with rest position, with lock nut, knob NI Form G: steel, without rest position, without lock nut, with threaded rodForm GK: steel, without rest position, with lock nut, with threaded rodForm GN: stainless steel, without rest position, without lock nut, with threaded rodForm GKN: stainless steel, without rest position, with lock nut, with threaded rod The SM 1271 locking pins with threaded studs (form G or GK) are used when the locking pin is not operated with the standard knob.The indexing plungers are designed such that the plunger set in the end position can also absorb axial forces.Distance bushings see SM 1273-6. RoHS-compliant: yes

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Indexing plunger | SM 1273

Stop boltwithout hexagonal collar without rest position Material:ST: body / plunger pin: steel, burnishedplunger pin hardenedknob:not removableKU: plastic (Polyamide PA) black, matt finishLock nut ISO 8675: steel, burnishedNI: body / plunger pin: stainless steel 1.4305 / AISI 303plunger pin chemically nickel platedknob:not removableKU: plastic (Polyamide PA) black, matt finishNI: stainless steel 1.4305 / AISI 303 (form ANN, AKNN)Pressure spring: stainless steel 1.4310 / AISI 301Lock nut ISO 8675: A2 stainless steel Form A: steel, without lock, without lock nut, plastic knobForm AK: steel, without locking, with lock nut, plastic knobForm AN: stainless steel, without lock, without lock nut, plastic knobForm AKN: stainless steel, without lock, with lock nut, plastic knobForm ANN: stainless steel, without lock, without lock nut, stainless steel knobForm AKNN: stainless steel, without lock, with lock nut, stainless steel knob Form G: steel, without lock nut, with threaded pin, without knob Form GK: stainless steel, with lock nut, with threaded pin, without knobForm GN: stainless steel, without lock nut, with threaded stud, without knobForm GKN: stainless steel, with lock nut, with threaded stud, without knob The SM 1273 indexing plungers with threaded pin (shape G or GK) are used when it is not possible to actuate the indexing plunger with the standard knob or if the indexing plunger cannot be actuated by hand in the usual way.The indexing plungers are designed in such a way that they can also absorb axial forces in the end position.The SM 1273M screwdriver (available as an accessory) makes it easier to counterhold when locking. The screwdriver is inserted laterally between the knob and the guide and then engages in the slot of the guide.For spacer rings, see SM 1273-6.RoHS-compliant: yesSome information on the DATA SHEET (e.g. spring pressure stainless steel indexing plunger) is no longer up to date.Revision will follow.

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Indexing plunger | SM 1273-1

Stop boltwithout threadfor weldingMaterial:ST: body / plunger pin: steel, blackened, welding qualityplunger pin: hardenedknob: not removableKU: plastic (Polyamide PA) black, matt finish Form A: with knopForm G: with threaded stud A special feature of indexing plungers SM 1273-1 are for applications where welding, resin bonding (loctite) or clamping is favoured. The Indexing plungers with threaded studs (form G) are used when the locking pin is not operated with the standard knob.The indexing plungers are designed in such a way that they can also absorb axial forces in the end position. RoHS-compliant: yes

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Indexing plunger | SM 1273-2

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Indexing plunger | SM 1273-3

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Mini Indexing Plunger | SM 1273-31

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Indexing Plunger - HYGIENIC DESIGN | SM 1273-32

stainless steelKnob Side HYGIENIC DESIGN (Front Hygiene) Material:stainless steel 1.4401 / AISI 316plunger pin case hardenedpressure spring: stainless steel AISI 316Ti Seals: bluetemperature resistant -25 °C to +110 °CFDA compliant Sealing ring: Hydrogenated acrylonitrile-butadiene rubber (H-NBR), hardness 85 ±5 Shore AWiper: TPU, hardness A 95 ±5 Shore A All moving parts lubricated with FDA compliant grease. Form B: without rest positionForm C: with rest position RoHS-compliant: yes Hygienic DesignThese indexing plungers are certified- according to DGUV Test guidelines- meet hygiene requirements on the button side (front hygiene).. Wipers between the button and the guide as well as the sealing ring between the guide and the housing keep the latching mechanism tight on the button side. At the same time, the high surface quality (Ra < 0.8 μm) and the dead-space-free fastening prevent dirt from adhering and facilitate cleaning. If the indexing pin should not protrude temporarily, indexing plungers with indexing lock form C are used. The knob is turned 90° after the pin has been retracted; the knob retains its position by means of a detent notch. To ensure the function of the sealing rings, fastening or through holes on the housing must be made at right angles, burr-free and without chamfer.

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Indexing Plunger - HYGIENIC DESIGN | SM 1273-33

stainless steelknob and pin side HYGIENIC DESIGN (full hygiene) Material:stainless steel 1.4401 / AISI 316plunger pin case hardenedpressure spring: stainless steel AISI 316Ti Seals: bluetemperature resistant -25 °C to +110 °CFDA compliant Sealing ring: H-NBR, hardness 85±5 Shore AWiper: TPU, hardness A 95 ±5 Shore A All moving parts lubricated with FDA compliant grease. Form B: without rest positionForm C: with rest position RoHS-compliant: yes Hygienic DesignThese indexing plungers are certified- according to DGUV Test guidelines- fulfil hygiene requirements on the knob and pin side (full hygiene). Wipers between button and guide or guide and pin as well as sealing rings on guide and sealing nut keep the locking mechanism tight..At the same time, the high surface quality (Ra < 0.8 μm) and the dead-space-free fastening prevent dirt from adhering and facilitate cleaning. If the indexing pin should not protrude temporarily, indexing plungers with indexing lock form C are used.The knob is turned 90° after the pin has been retracted; the knob retains its position by means of a detent notch. To ensure the function of the sealing rings, fastening or through holes on the housing must be made at right angles, burr-free and without chamfe

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Accessories

Positioning bushing | SM 1273-56

with hexagonal collarfor indexing plungers / cam action indexing plungers Material:ST: steelhardened, blackenedNI: stainless steel 1.4057 / AISI 431hardened Positioning bushings SM 1273-56 are used in connection with bolts of indexing plungers.The threads are adapted to the mounting blocks SM 1274-1 and SM 1274-10. RoHS-compliant: yes

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Positioning bushing | SM 1273-57

with ramping conefor indexing plungers Material:ST: steelhardened, blackenedNI: stainless steel 1.4057 / AISI 431hardened for indexing plungers / cam action indexing plungers, with hexagonal collarPositioning bushings SM 1273-57 are used in connection with bolts of indexing plungers.The threads are adapted to the mounting blocks SM 1274-1 and SM 1274-10. RoHS-compliant: yes

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Distance bushing | SM 1273-6

Spacer ringfor indexing plungers Material:NI: stainless steel 1.4305 / AISI 303 Distance bushings SM 1273-6 compensate for the body thread lengths on the indexing plungers and cam action indexing plungers a to allow mounting through walls of varying thickness.Other dimensions and forms see SM 1000-03. RoHS-compliant: yes

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Mounting block | SM 1274-1

for Indexing Plungers / Cam Action Indexing Plungers Material:ST: steel, blackenedgrub screw from steel SM 1239-1 with brass padNI: stainless steel, 1.4305 / AISI 303grub screw from stainless steel SM 1239-1 with brass pad Form A: fixing holes parallel to plungerForm AN: fixing holes parallel to plunger, mounting block from stainless steelForm B: fixing holes vertical to plungerForm BN: fixing holes vertical toplunger, mounting block from stainless steel Mounting blocks broaden the mounting possibilities and are an added feature for the cam action indexing plungers SM 1274. They can also be used with indexing plungers SM 1273. RoHS-compliant: yes

From €12.97* incl. VAT

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Mounting block | SM 1274-10

Retaining piecesfor indexing plungers / cam action indexing plungers Material:zinc die casting,powder coated, black, textured finish Form A: mounting from the backForm B: mounting from the front Mounting perpendicular to the latching pin.Mounting blocks / retaining pieces are mounting aid for indexingplungers, indexing plungers, stop buffers and stop screws and extendtheir range of application.They can also accommodate positioning bushes SM 1273-56for positioning the indexing pin of an indexing plunger or indexing plunger. RoHS-compliant: yes

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Indexing plunger | SM 1271-1

Stop boltwith ring or knobwith or without rest position

Stop bolt
with ring or knob
with or without rest position