What does it mean for soft metal? Something like aluminum or mild steel? How about very hard and dense wood?

Correct, would be fine on all woods aswell

How can 12 inch bits have product dimensions of 6.1 x 6.1 x 1.4 inches?

They are actually 12inches long, the product dimensions are wrong.

anyone know of a good American made set?

well I am just finishing a job where we have put in close to a thousand holes and still haven't worn this set out...you want American made be prepare to spend some dollars

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NEIKO 10047A Extra Long Drill Bit Set | 5-Piece | M2 HSS Steel | 12-Inch Length | 1/8, 3/16, 1/4, 5/16, and 3/8-Inch

Product ID: 27930473

Details

Cutting Angle String
118 degrees
Cutting Diameter
0.38 inches
Finish Type
Steel
Material
High Speed
Shank Type
Straight

📏12-inch extra reach

🔩5 versatile sizes

⚙️M2 HSS heat-treated steel

EC$105

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Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Drill Deeper, Work Smarter — Own the Jobsite!

COMPACT READY - Comes in a sleek foam-insert case for organized, on-the-go convenience.
ALL IN ONE VERSATILITY - Five essential sizes (1/8" to 3/8") cover every project from DIY to pro-grade jobs.
EFFORTLESS PENETRATION - Sharp pilot points deliver smooth, clean holes through metal, wood, and plastic.
ENGINEERED FOR ENDURANCE - Heat-treated M2 high-speed steel ensures unmatched hardness and wear resistance.
EXTENDED REACH ELEVATED PRECISION - 12-inch length for deep, stable drilling in hard-to-reach spots.

The NEIKO 10047A Extra Long Drill Bit Set features five precision-engineered, 12-inch M2 high-speed steel bits in popular sizes, designed for deep, stable drilling across metal, wood, and plastic. Heat-treated for durability and equipped with sharp pilot points, this set delivers smooth, efficient performance for professionals and serious DIYers alike.

Specifications

ASIN	B0195V5ICO
Best Sellers Rank	#13,026 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #46 in Jobber Drill Bits
Brand Name	NEIKO
Customer Reviews	4.6 4.6 out of 5 stars (2,761)
Cutting Angle String	118 degrees
Cutting Diameter	0.38 inches
Finish Types	Steel
Global Trade Identification Number	00837013100478
Included Components	5 piece drill bit
Item Dimensions	13 x 3.1 x 2.8 inches
Item Weight	1.6 ounces
Manufacturer	NEIKO
Material Type	High Speed Steel (HSS)
Minimum Bore Diameter	0.13 inches
Model	10047A
Number of Flutes	2
Number of Packs	1
Number of Pieces	5
Part Number	10047A
Point Style	Spear Point
Set Name	5-Piece Set with Sizes 1/8, 3/16, 1/4, 5/16, and 3/8-Inch
Shank Type	Straight
Surface Recommendation	Alloy Steel
Tool Flute Type	Spiral
UPC	753956359530 837013100478
Unit Count	1 Count

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EC$105

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Saint Vincent and the Grenadines.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Very reliable shop with genuine products. Will definitely buy again!

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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