As listed
| Field | Value |
|---|---|
| Seller | LAS Aerospace |
| Seller's item # | F00P2HVZ1 |
| Standard | MS20426 (= AN426) |
| Head | 100° countersunk |
| Types | A (1100 aluminium), AD (2117-T4) |
| Part number | MS20426 + type + diameter in 1/32" + length in 1/16" |
| Listing checked | 2026-09-30 |
Taken from LAS Aerospace's product page on 2026-09-30. Where the listing does not state a figure, this table does not either.
What it is for
It goes in a countersunk or dimpled hole. The cutters and dies for that are in the tools section: pilot countersink cutters, spring back dimple dies.
The part number reads like MS20470's; the head styles table sets the two side by side. Hole sizes: drill chart.
Sizes listed
| Type | Diameter | Part numbers | Lengths listed |
|---|---|---|---|
| A (1100 Aluminium) | 3/32" | MS20426A3-2 to MS20426A3-16 | 1/8" – 1" (8 lengths) |
| A (1100 Aluminium) | 1/8" | MS20426A4-2 to MS20426A4-18 | 1/8" – 1-1/8" (12 lengths) |
| A (1100 Aluminium) | 5/32" | MS20426A5-4 to MS20426A5-16 | 1/4" – 1" (6 lengths) |
| A (1100 Aluminium) | 3/16" | MS20426A6-4 to MS20426A6-12 | 1/4" – 3/4" (3 lengths) |
| AD (2117 Aluminium) | 1/16" | MS20426AD2-2 to MS20426AD2-10 | 1/8" – 5/8" (9 lengths) |
| AD (2117 Aluminium) | 3/32" | MS20426AD3-2 to MS20426AD3-16 | 1/8" – 1" (13 lengths) |
| AD (2117 Aluminium) | 1/8" | MS20426AD4-2 to MS20426AD4-19 | 1/8" – 1-3/16" (16 lengths) |
| AD (2117 Aluminium) | 5/32" | MS20426AD5-2 to MS20426AD5-16 | 1/8" – 1" (12 lengths) |
| AD (2117 Aluminium) | 3/16" | MS20426AD6-2 to MS20426AD6-24 | 1/8" – 1-1/2" (19 lengths) |
| AD (2117 Aluminium) | 7/32" | MS20426AD7-6 to MS20426AD7-12 | 3/8" – 3/4" (6 lengths) |
| AD (2117 Aluminium) | 1/4" | MS20426AD8-6 to MS20426AD8-12 | 3/8" – 3/4" (6 lengths) |
Condensed from the LAS listing: one row per type and diameter. The listing gives every length as its own part number.
Where to buy
The link opens LAS Aerospace's own page for this item, so the price and stock you see are theirs and current. We do not copy prices.
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Sources
- LAS Aerospace — MS20426 100° Countersunk — product listing, item F00P2HVZ1, checked 2026-09-30.