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Yale BS Night Latch Brass 40mm (31935)

Yale British Standard Nightlatches offer the maximum level of protection against known attack methods

  • Suitable for Timber & Glass-Panelled Doors
  • For doors 38-57mm Thick
  • 20mm Bolt
  • 6-Pin Cylinder
  • 20mm bolt for increased strength
  • Internal lockable handle and anti-carding features for additional security
  • Supplied with TS007 1* cylinder with anti-drill, anti-pick and anti-bump protection
  • High security cylinder pull for additional rim cylinder protection
  • Recommended by Insurance companies and the police

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1 - 4 £64.99
5 + £58.49
£64.99INC VAT

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Rated 4.5 out of 5 by 2 reviewers.
  • 2016-08-23 T09:33:08.810-05:00
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Rated 4 out of 5 by Quality lock but a high price Nice lock, very sturdy and feel of quality. Quite involved to install which does make it solid. Ensure you align the provided template very very accurately though or the lock cylinder will be skew and is very difficult to cure as tolerances are tight. My only criticism would be while it does dead lock when the door is closed so the locking bar can not be pushed back the inner knob can still be turned so if a thief broke the window they could still gain access easily. 16 Jun 2014
Rated 5 out of 5 by Solid and functional Bought this to replace a 'standard' model that had a dodgy 'snib' and the cylinder had failed. This is a monster of a lock so take care if you are fitting to a glass panel door - measure the available space carefully. I have given only 3 for reliabillity - its only been on the door 2 days. It is a bit pricey. Its actually quite easy to fit as the larger size and thicker metal means you are chiselling out some sizable bits of wood instead of fiddly little bits. It doesn't seem have a 'snib' feature to latch the door in the locked position (which has been a problem with the old one), and the key lock from inside feature is a reassuring one. Provided you have sharp chisels and some common sense this is well within the average DIY'ers range. The templates are a bit fiddly (note left and right fitting so be careful), and READ THE INSTRUCTIONS before you start. All in all a good purchase. 9 Jun 2014
  • 2016-08-23 T09:33:08.810-05:00
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  • loc_en_US, sid_31935, prod, sort_default
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12 Jul 2016
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Answer: 
Hi The Yale 31935 is a 60mm backset from the middle of the keyhole to the edge of the door as is the other lock mentioned, Thanks Yale Consumer Team
27 Jul 2016
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Specification
Bolt Size 20
Brand Yale
Colour Brass
Fixings Supplied Fixings supplied
Manufacturer Guarantee 10 Year Manufacturer's Guarantee
Model Name BS2 High Sec BS3621 N/Latch BLX
Model No 630020001174
Pack Size 1
Pieces in Pack/Case 1
Pieces in Pack/Case 1
Product Depth 65 mm
Product Diameter 40 mm
Product Height 100 mm
Product Length 100 mm
Product Type BS Night Latch
Product Width 90 mm
Suitable Use Type Suitable for Timber & Glass-Panelled Doors
Total Product Weight 2 kg

Suitable for doors 38-57mm thick. W x D x H: 90 x 65 x 100mm. Weight 2kg. BS 3621.

Product contents

Lock and staple, rim cylinder with built in cylinder guard, 2 keys, fittings and fitting instructions