Tool tang drill bit

Almost any steel will do. 7mm o/d, 2 straight flutes, 1/4″ increment depth marks
knoba - Tool tang drill bit

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Used in lathe, with new handles. Enlarge to fit individuals tangs…
knoba - Tool tang drill bit

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4° included taper (as per machine taper)
knoba - Tool tang drill bit

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Can easily remove shank for re-tempering. Link to CAD file below
knoba - Tool tang drill bit

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Wiki – Machine taper

knoba – Tool Tang Drill Bit – 2017.dxf

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Plywood picture frame

1″ thick x 19″ o/d, “Far Eastern Plywood”, waxed.
knoba - plywood picture frame

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Picture & 4mm glass is about 300mm square.
knoba - plywood picture frame

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knoba - plywood picture frame

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Wenban Smith – Far Eastern Plywood

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Test lead rack

Copper, brass, stainless, aluminium. It rotates.
knoba - Test Lead Rack

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Aluminium top tray & forming buck
knoba - Test Lead Rack

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Buck formed. Aluminium top tray formed
knoba - Test Lead Rack

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Brass upper rack and shaping forms
knoba - Test Lead Rack

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Complete assembly
knoba - Test Lead Rack

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Machined & beaten copper bolt, tray, turned copper spacer
knoba - Test Lead Rack

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Drive screws, machined & shaped brass rack piece
knoba - Test Lead Rack

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Machined aluminium wheel, copper spiky things, brass & stainless tynes, copper nut, m6 grub screw
knoba - Test Lead Rack

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Copper spiky things
knoba - Test Lead Rack

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Assembled
knoba - Test Lead Rack

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Upside down
knoba - Test Lead Rack

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Fitted to my electronics bench
knoba - Test Lead Rack

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Laden with sumptuous test leads
knoba - Test Lead Rack

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Tray carrying nik-naks & bits
knoba - Test Lead Rack

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Cad file below
knoba - Test Lead Rack

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knoba – Test Lead Rack – 2016.dxf

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Hand graver

Hand graver for engraving metal.

Iroko handle, cast & machined brass body, 1/8″ hss lathe tool, m4 grub screws.
knoba - hand graver - 01

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Handle is flat on one side to allow the tool a low attack angle.
knoba - hand graver - 02

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knoba – Hand graver – 2016.dxf (CAD file link below)
knoba - hand graver - 02

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knoba – Hand graver – 2016.dxf

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Nogging master for arched wood roofs

Component parts overview…
knoba - Nogging master - 01

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2″ by 2″ softwood, M8 coachbolts.
knoba - Nogging master - 02

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Assembled.
knoba - Nogging master - 03

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Folds up.
knoba - Nogging master - 04

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Machined a nice thumb nut for it from aluminium.
knoba - Nogging master - 05

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Nogging master measuring dwang geometry…
knoba - Nogging master - 06

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Place on timber (3″ x 2″ here), mark & cut!
knoba - Nogging master - 07

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knoba - Nogging master - 08

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Notes.
• Perlins can be continuous or split form.
• Saves time.
• Eliminates waste, cost & mistakes.
• Inexpensive & easy to make.

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*** Mk2 incorporates the “Plate Pilot” for accurate ‘birds mouths’ on the wall plate / 1st perlins nogging.

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Ford Transit Sunvisors

Damaged (covering) Jaguar X-Type sunvisors, ebay, with illuminated mirrors…
knoba - Ford Transit Sunvisors

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Horrible plastic Ford OEM hinges…
knoba - Ford Transit Sunvisors

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Cast, machined & polished new aluminium hinges (CAD file).
knoba - Ford Transit Sunvisors

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Inset the mirrors while retaining the original profiles.
knoba - Ford Transit Sunvisors

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Black suede on the inside.
knoba - Ford Transit Sunvisors

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Ice blue crushed velvet on the outside.
knoba - Ford Transit Sunvisors

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knoba – Ford Transit Sunvisors – 2016.dxf

Pfaff – select 3.0 sewing machine

knoba – Metal casting furnace

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Ford Window Winder Handles

Some ‘pimpier’ window winder handles for my van…
knoba - Ford Window Winder Handles

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Mostly made from 6 series aluminium.
knoba - Ford Window Winder Handles

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Machined, hardened & tempered home made broach for the splines…
knoba - Ford Window Winder Handles

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Original handle showing spline profiles.
knoba - Ford Window Winder Handles

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knoba - Ford Window Winder Handles

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knoba – Ford Window Winder Handles – 2016.dxf (link below)
knoba - Ford Window Winder Handles

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skf – 5201 Double row angular contact ball bearings

knoba – Ford Window Winder Handles – 2016.dxf

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