for self tapping threaded bushings
Material: steel, blackened
use for SM 1291-50 and SM1291-60Type E: with hexagonal shank and turnable hex bushing
use for SM 1291-70 and SM1291-80Type B: with heavy-duty bearing design for screwing in threaded inserts via the internal thread.- with three clamping surfaces (M03, M04, M05, M06, M08)- with hexagon and groove (M10 and larger)
Tool size corresponds to the internal thread of the socket.Use exclusively for the threaded inserts specified here.
Assembly with Machine Assembly Tools• Preliminary work corresponding to that of manual assembly.• Alignment of the assembly tool to bore. - Screw on the insert.• Carefully screw in by means of forward feed a few threads.• Continue the screw-in process without any forward feed until the position of the end face of the insert is just under the surface of the workpiece.• Back off the screw.• The end face of the screwed end of the tool separates from the insert, which remains in the desired position in the workpiece.
Self tapping with 3 borings
Material: SGV: steel hardened, zinc yellow plated(SM 1291-60M04X08SGV remaining stock)
internal thread d1, like ISO 6H external thread d2, metric, tolerances from manufacturer.
useful for materials like:- aluminium and aluminium alloys- magnesium alloys- plastic (without plastic under 100 Shore A)
Inserts with internal and external threads- self-cutting connecting element for the production of heavy-load, wear and vibration-resistant screw connections in materials with low shearing strength,- with very high pull strength at swarf free assembling. More information see on page 308.
Self-tapping with 3 borings, 1.4305
Material: NI: stainless steel 1.4305
Internal thread d1, like ISO 6H external thread d2, metric, tolerances from manufacturer. Further information can be found on data sheet SM 1291-50, catalog page 308.
Recommendations (benchmarks)* Predrill guidelines, depending on substrate** minimum hole depth: sleeve length plus 1 to 3 mm.
Inserts with internal and external threads- self-cutting connecting element for the production of heavy-load, wear and vibration-resistant screw connections in materials with low shearing strength- particularly suitable for aluminium and aluminium alloys, magnesium alloys, plastic (without plastic under 100 Shore A).
Self-tapping with 3 borings, 1.4571
Material: NI: stainless steel 1.4571
internal thread d1, like ISO 6H external thread d2, metric, tolerances from manufacturer. Further information can be found on data sheet SM 1291-50, catalog page 308.
Recommendations (benchmarks)* Predrill guidelines, depending on substrate** minimum hole depth: sleeve length plus 1 to 3 mm.
Inserts with internal and external threads- self-cutting connecting element for the production of heavy-load, wear and vibration-resistant screw connections in materials with low shearing strength- particularly suitable for aluminium and aluminium alloys, magnesium alloys, plastic (without plastic under 100 Shore A).
Self-tapping with slotfor extremely hard materials
Material:SBV: steel hardened, blue zinc platedNI: stainless steel 1.4305
Recommendations (benchmarks)* Predrill guidelines, depending on substrate** minimum hole depth: sleeve length plus 1 to 3 mm.
Inserts with an external thread and internal hexagon- self-cutting connecting element for the production of heavy-load, wear and vibration-resistant screw connections in materials with low shearing strength- with very high pull strength- particularly suitable for extrem hard materials and all kind of plastic.Further information can be found on data sheet SM 1291-50, catalog page 308.
Self-tappingwith three cutting blind holes
for particularly hard materials
Material: SBV: steel hardened, blue zinc platedNI: stainless steel 1.4305
Inserts with internal and external threads- self-cutting connecting element for the production of heavy-load, wear and vibration-resistant screw connections in materials with low shearing strength- with very high pull strength at swarf free assembling- particularly suitable for extrem hard materials like metal, plastic, acrylic composites.
Self-tapping with coarse thread
Material: SV: steel, zinc platedMS: brass
Inserts with internal and external threads and slot- self-cutting connecting element for the production of screw connections in materials with low shearing strength- with slot and recess for receiving excess wood chips- particularly suitable for materials like wood and plastic- suitable for easy automatic screwing.
Recommendations (benchmarks)* Pre-drill guidelines depending on substrate** minimum hole depth: sleeve length plus 1 to 3 mm.Further information can be found on data sheet SM 1291-50, catalog page 308.
sim. DIN 7965Self-tapping with coarse thread
Material:SV: steel, zinc platedMS: brassN1: stainless steel 1.4104N2: stainless steel 1.4305Remaining stocks of
SM 1291-81M08X13X18SV, SM 1291-81M08X13X25SV, SM 1291-81M08X16X14SV, SM 1291-81M08X16X16SV.
Inserts with internal and external threads and slot- self-cutting connecting element for the production of screw connections- for materials like wood and plastic, suitable for easy automatic screwing
Recommendations (benchmarks)* Predrill guidelines, depending on substrate** minimum hole depth: sleeve length plus 1 to 3 mmFurther information can be found on data sheet SM 1291-50, catalog page 308.
Self-tapping with hexagon socket
Material:SV: steel, zinc platedMS: brassN2: stainless steel 1.4305N3: stainless steel 1.4571
Inserts with external threads and hexagon socket- self-cutting connecting element for the production of screw connections in materials with low shearing strength- particularly suitable for materials like wood and plastic for example for the invisible connection of furniture parts- unthreaded lead supports easy mounting.
Recommendations (benchmarks)* Pre-drill guidelines depending on substrate** minimum hole depth: sleeve length plus 1 to 3 mm.Further information can be found on data sheet SM 1291-50, catalog page 308.
Self-tapping with hexagon socket
Material: SV: steel, zink plated (partly remaining stock)MS: brassNI: stainless steel, 1.4305Only remaining stocks of
SM 1291-83M04X08X08SV, SM 1291-83M06X12X12SV, SM 1291-83M06X12X15SV, SM 1291-83M08X14X15SV,SM 1291-83M08X14X18SV, SM 1291-83M08X16X23ST, SM 1291-83M08X16X23SV, SM 1291-83M10X19X25SV.
Inserts with external threads and hexagon socket and sealing collar:- self-cutting connecting element for the production of screw connections in materials with low shearing strength,- particularly suitable for materials like wood and plastic for example for the invisible connection of furniture parts- unthreaded lead supports easy mounting.
Recommendations (benchmarks)* Pre-drill guidelines depending on substrate** minimum hole depth: sleeve length plus 1 to 3 mm.
