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Spiral Dowel Pin

Light Patern

Dowel Pins (Light Series)

Dowel pins are slotted pin made from high carbon spring steel (EN-42J) material having 44- 51 HRC.

Spiral dowel pins manufactured from stainless steel material i.e. SS- 304, SS- 420, SS- 316 etc.

Dowel pin is accurately made to diameter greater than the drilled hole into which it is pressed. When inserted the elasticity of the material then exerting a continuous radial force over the full length of the pin. The purpose of the slot in the pins is to allow compression when inserted in the hole.

Order as SPIRAL DOWEL 4 mm x 28 mm DIN - 7343

NOMINAL DIA	0.8	1	1.2	1.5	2	2.5	3	3.5	4	5	6	8	10	12	14	16
a =	0.2	0.3	0.4	0.5	0.7	0.8	1	1.2	1.3	1.7	2	3	3	4	4.5	5
S	0.07	0.08	0.1	0.13	0.17	0.21	0.25	0.29	0.33	0.42	0.5	0.67	0.84	1	1.2	1.3
Di	0.85	1.1	1.3	1.62	2.15	2.65	3.15	3.67	4.2	5.25	6.25	8.35	10.45	121.5	14.55	16.55
Tol.( )	0.05	0.05	0.1	0.1	0.1	0.15	0.17	0.2	0.25	0.25	0.25	0.35	0.35	0.35	0.4	0.45
d2	0.75	0.95	1.15	1.4	1.9	2.35	2.85	3.35	3.8	4.8	5.8	7.75	9.6	11.5	13.5	15.4
Tol L	4 TO MM = 0.5					12 TO 50 MM = 1.0						52 TO 100 MM = 1.5

Heavy Pattern

Order as SPIRAL DOWEL 4 mm x 28 mm DIN - 7343

NOMINAL DIA	1.5	2	2.5	3	4	5	6
A =	0.5	0.7	0.8	1	1.3	1.7	2
s	0.17	0.22	0.28	0.33	0.45	0.56	0.67
di	1.6	2.1	2.6	3.12	4.15	5.15	6.25
Tol.	0.08 - 0	0.1 - 0	0.1 - 0	0.13 - 0	0.15 - 0	0.15 - 0	0.15 - 0
d2	1.4	1.9	2.35	2.85	3.8	4.8	5.8
Tol.	14 TO MM = 0.5		12 TO 50 MM = 1.0			52 TO 100 MM = 1.5

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