Product groups

Item description/product images

DescriptionMaterial:Mandrel mild steel.
Taper-head screw low-carbon steel
Version:Mandrel black oxidised.
Taper-head screw case-hardened.
Note:The mandrel collet is ideal for finish machining turned parts. The diameter “D” can be turned or milled to suit the workpiece ID.
Low design - no interfering clamp straps.
Tightened using a hex socket wrench or hydraulics.

* D min. = smallest diameter to which “D” may be turned or milled.
Assembly:Expand the mandrel approx. 0.1 mm over the relaxed diameter. Turn or mill the mandrel to suit the internal diameter of the workpiece. The base flange can be centred in a pocket or using dowel pins.Drawing reference:
1) taper-head screw
DownloadHere is all the information as a PDF datasheet:

Are you looking for CAD data? These can be found directly in the product table.
 Datasheet B0423 Mandrel collets 222 kB

Drawings

Mandrel collets

Item selection/filter

Order No.DD
min.
D1D2D3
for screw
ISO 10642
D4
Tapered-
head bolt
HH1H2H3SW
Tapered-
head bolt
Tightening
torque
max. Nm
Clamping
force
max. kN
Accessories NLMCADAcc.PriceOrder
B0423.0204077,44,120 h913,7M2M210,77,66,14,11,50,71,103157-01-0212 81.23 €
B0423.04081212,4829,72 h921M3M421,816158354,203157-01-0425 82.63 €
B0423.06121414,212,231,5 h923,1M3M624,91915125178,503157-01-0630 84.27 €
B0423.0814202013,537,5 h929M3M824,919151463411,103157-01-0830 86.15 €
B0423.062027271850 h939,4M4M1028,622,217,5178602003157-01-1035 111.95 €
B0423.10253535,32356 h945,5M4M1231,825,420,6211015026,303157-01-1240 137.87 €
B0423.1234424229,369,5 h855,9M5M1639,631,827221428044,503157-01-1645 175.84 €
B0423.12345251,529,375,5 h963,9M5M1639,631,827221428044,503157-01-1645 182.53 €
B0423.16307777,729,3107,5 h992,5M6M1645,537,632,3201428044,503157-01-1645 295.01 €
B0423.163010310329,3132,9 h9118M6M1645,537,632,3201428044,503157-01-1645 450.11 €
B0423.163017517529,3132,9 h9118M6M1645,537,632,3201428044,503157-01-1645 876.53 €
Search
Shopping cart
Number of items: 0
Amount: 0.00  
Display
Speed ordering
Germany
Sitemap Print Top
Copyright © 2025 NORMTEILWERK ROBERT BLOHM GmbH. All rights reserved. Tel. +49 (0) 41 55 / 80 08-0 · Fax +49 (0) 41 55 / 81 11 31