Skip
 Home Product norms BS 4235-1
Send your request for quotation

BS 4235-1 Standard Dimensions for Parallel keys

Stock / Supplier search Send your request for quotation

Taper Keys

Dimensional Drawing and Technical Diagrams

455_CZBhfo_vuoto.png

Key Dimensions and Technical Parameters

Dimensions in mm - source BS 4235-1 Square parraller keys
Publication date: 02/1972
Shaft d nominal diameter

6 ÷ 8

 8 ÷ 10 10 ÷ 12 12 ÷ 17 17 ÷ 22
section b x h 2 x 2 3 x 3 4 x 4 5 x 5 6 x 6
widht b nom 2 3 4 5 6
Shaft t1nom 1.2 1.8 2.5 3 3.5
Hub t2 nom 1.4 1.8 2.3 2.8 -
Radius max 0.16 0.16 0.16 0.25 0.25
Radius min 0.08 0.08 0.08 0.16 0.16

Dimensions in mm - source BS 4235-1 rectangular parallel keys
Publication date: 02/1972
Shaft d nominal diameter

22÷30

 30÷38 38÷44 44÷50 50÷58 58÷65 65÷75 75÷85 85÷95 95÷110 110÷130 130÷150 150÷170 170÷200 200÷230 230÷260 260÷290 290÷330 330÷380 380÷440 440÷500
section b x h 8x7 10x8 12x8 14x9 16x10 18x11 20x12 22x14 25x14 28x16 32x18 36x20 40x22 45x25 50x28 56x32 63x32 70x36 80x40 90x45 100x50
widht b nom

8

 10 12 14 16 18 20 22 25 28 32 36 40 45 50 56 63 70 80 90 100
Shaft t1nom 4 5 5 5.5 6 7 7.5 9 9 10 11 12 13 15 17 20 22 25 28 31 -
Hub t2 nom 3.3 3.3 3.3 3.8 4.3 4.4 4.9 5.4 5.4 6.4 7.4 8.4 9.4

10.4

 11.4 12.4 12.4 14.4 15.4 17.4 19.5
Radius max 0.25 0.40 0.40 0.40 0.40 0.40 0.60 0.60 0.60 0.60 0.60 1.00 1.00 1.00 1.00 1.60 1.60 1.60 2.50 2.50 2.50
Radius min 0.16 0.25 0.25 0.25 0.25 0.25 0.40 0.40 0.40 0.40 0.40 0.70 0.70 0.70 0.70 1.20 1.20 1.20 2.00 2.00 2.00

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.