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Flat Washers from Steel Sheet
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11. Ukwakira 2026NO
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Flat Washers from Steel Sheet

A plain washer spreads a nut's or bolt head's load and protects the surface under it. ISO 7089 gives the M6 washer as 6.4 mm bore, 12 mm outside and 1.6 mm thick. Drill the bore first while the sheet is still large and easy to hold, cut the washer out roughly, then spin it on a bolt in a drill and file it round.
Utangiye
1 hour for 10 washers

Amabwiriza

1

Mark out

On 1.6 mm mild steel sheet, mark 12 mm circles 14 mm apart with the scriber and centre-punch each centre.

Ibikoresho by'iyi ntambwe:

Urupapuro rw'icyuma cyoroshyeUrupapuro rw'icyuma cyoroshye0.01 sqm

Ibikoresho bikenewe:

Igikoresho Gishushanya ImirongoIgikoresho Gishushanya Imirongo
Igicukuzi cyo Gushyira IkimenyetsoIgicukuzi cyo Gushyira Ikimenyetso
Ikigereranyo cya Digitale cy'Amasentimetero 6Ikigereranyo cya Digitale cy'Amasentimetero 6
Irangi ry'ubururu ryo kurangaIrangi ry'ubururu ryo kuranga
2

Drill the bores

Clamp the sheet and drill each centre 6.4 mm, with cutting oil.

Ibikoresho bikenewe:

Icyuma Cyivumbura GihagazeIcyuma Cyivumbura Gihagaze
Ibyuma Byinshi byo GucukuraIbyuma Byinshi byo Gucukura
Ifatiro ry'imashiniIfatiro ry'imashini
Amadarubindi y'umutekanoAmadarubindi y'umutekano
Amavuta yo gukataAmavuta yo gukata
3

Cut them out

Saw each washer out as a square just outside its circle, then cut the corners off.

Ibikoresho bikenewe:

Umucumita w'IbyumaUmucumita w'Ibyuma
Ifatiro ry'AmezaIfatiro ry'Ameza
4

Round them on a bolt

Stack several on an M6 bolt with a nut, tighten, chuck the bolt in a drill, and run it slowly while a file trues the stack to 12 mm.

Ibikoresho bikenewe:

Icyegeranyo cy'inyuzi z'impande esheshatuIcyegeranyo cy'inyuzi z'impande esheshatu
Icyuma Cyivumbura Kidafite InsingaIcyuma Cyivumbura Kidafite Insinga
Amakariso MenshiAmakariso Menshi
Ikigereranyo cya Digitale cy'Amasentimetero 6Ikigereranyo cya Digitale cy'Amasentimetero 6
Amadarubindi y'umutekanoAmadarubindi y'umutekano
5

Deburr

Take them off and deburr both faces and the bore.

Ibikoresho bikenewe:

Igikoresho cyo gukuraho ibisigazwa ku mperaIgikoresho cyo gukuraho ibisigazwa ku mpera
Amakariso MenshiAmakariso Menshi
6

Troubleshooting

Washer troubleshooting.

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Ibikoresho

1

Ibikoresho bikenewe

15

Iki gishushanyo gikora

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