Stair tread bolt Set 1A, T=80 mm, for screwing into wood

Stair tread bolt Set 1A – groove fixing

LamiFIX stair tread bolt Set 1A allows grooved treads to be fitted directly into a wooden wall. The connector sits in the tread groove, leaving the fixing largely hidden.

Application and design

Set 1A is designed for screwing into wood. The intended embedment depth is T = 80 mm with an 18 mm gap. This gap helps accommodate uneven walls during installation. If required, the bolt can also be screwed flush into the wooden wall, giving an appearance similar to a recessed fixing. According to catalogue page 17, T = 80 mm is suitable for softwood in the third illustrated grain direction. Refer to the blue values and grain direction in the product gallery table. Version A is designed for installation with a groove in the tread.

Installation

Holes in the wooden wall must be drilled accurately in position and angle.

For stairs without stringers, we lend drill bushes free of charge for up to three months. They make accurate on-site drilling straightforward.

Technical details

• Set: 1A
• Embedment depth: T = 80 mm with an 18 mm gap
• Bolt installation: screw into wood
• Tread machining: groove, installation version A

Required quantity per Set

• 1 stair tread bolt INOX A2, LF 3623.080.1
• 1 tread fixing screw LF 1541.002
• Waxilit lubricant LF 3625.001, required quantity: 1/50 tube per Set

Article number: LF 3623.180.4

Matching installation accessories

Driving tool LF 2150.036.3 and Ø25 mm HSS wood twist drill bit LF 2001.250.3 are available separately. Detailed information on the drilling aid is provided on catalogue page 26.