ISO 8750 DIN 7343
BN 1351
Spiral spring pins
standard duty
Stainless steel 1.4310
• ~UNI 6875
• High radial elasticity
• Large bore tolerances permissible
• No interlinking because of closed sleeve design
• Ideal for automatic assembling (two-sided cones)
1. Radial elasticity shown schematically
2. Pin before insertion
3. Pin after insertion
4. Pin removed with coils rebounded
5. Cardan joint for socket wrench
6. Spiral spring pin
Mounting hole = nominal diameter: ≤ Ø 1,2 Tol. H10 / > Ø 1,2 Tol. H12
Article# d1 nom. d1 min. d2 max. a~ s L
1116215 1 1,05 0,95 0,3 0,08 4
1116223 5
1116231 6
1116258 8
1116266 10
1116274 12
1116282 14
1116290 1,5 1,62 1,4 0,5 0,13 4
1116304 5
1116312 6
1116320 8
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Article# d1 nom. d1 min. d2 max. a~ s L
1116339 1,5 1,62 1,4 0,5 0,13 10
1116347 12
1116355 14
1409484 16
1116363 2 2,13 1,9 0,7 0,17 4
1116371 5
1116398 6
1116401 8
1116428 10
1116436 12
1116444 14
1116452 16
1116460 18
1116479 20
1116487 2,5 2,65 2,4 0,7 0,21 5
1116495 6
1116509 8
1116517 10
1116525 12
1116533 14
1116541 16
1116568 18
1116576 20
1409492 22
1409506 24
1116584 3 3,15 2,9 0,9 0,25 8
1116592 10
1116606 12
1116614 14
1116622 16
1116630 18
1116649 20
1409514 22
1116657 24
1409522 26
1409530 28
1409549 30
1409956 32
1409972 4 4,2 3,9 1,1 0,33 8
1116665 10
1116673 12
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Article# d1 nom. d1 min. d2 max. a~ s L
1116681 4 4,2 3,9 1,1 0,33 14
1116703 16
1116711 18
1410156 20
1410261 22
1116738 24
1116746 26
1410334 28
1410342 30
1410407 32
1984462 35
1410431 40
1410474 5 5,25 4,85 1,3 0,42 10
1410482 12
1410490 14
1410504 16
1410512 18
1116754 20
1410520 22
1410539 24
1410547 26
1116762 28
1410555 30
1116770 32
1984470 35
1410571 40
1410598 45
1410601 50
1410628 6 6,25 5,85 1,5 0,5 12
1410636 14
1410644 16
1410652 18
1410660 20
1410679 22
1410687 24
1410695 26
1410709 28
1410717 30
1410725 32
1984519 35
1410741 40
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Article# d1 nom. d1 min. d2 max. a~ s L
1410768 6 6,25 5,85 1,5 0,5 45
1410776 50
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