When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
NOS Vintage USA Drill Bit Lot 7/16 to 7/8 Cle-Forge National Cogsdill 1950s-60s.
- Category: Business & Industrial > CNC, Metalworking & Manufacturing > Cutting Tools > Drill Bits
- Brand: Cle-Forge, National, Cogsdill, Standard Tool
- Country/Region of Manufacture: United States
- Material: High Speed Steel (HSS / HVA)
- Condition: New Old Stock (NOS)
1.13/32”Cle-Forge Straight Shank Long Set– In Original Factory Paper Wrapper
2.7/8”National Twist Drill – NOS Loose (Tap drill sizefor 1"-8 UNC threads)
3.21/32”Standard Tool Co. #V-7716 – NOSLoose (Tap drill size for 3/4"-10 UNC threads)
4.21/32”Cle-Forge #23677 – NOS Loose (Tap drill sizefor 3/4"-10 UNC threads)
5.11/16”National HVA (High-Vanadium Alloy)– NOS Loose (Tap drill size for 3/4"-16 UNF threads)
6.5/8”Cle-Forge #7712 – NOS Loose (Clearance for5/8" bolts / tap drill for 3/4" threads)
7.9/16”Cogsdill "Black Panther" (Detroit, MI) – NOS Loose (Tap drill size for 5/8"-11 UNCthreads)
8.1/2”Cle-Forge #7667 – NOS Loose (Tap drill sizefor 5/8"-18 UNF threads)
9.7/16”Cle-Forge "S" (Surface Treated)– NOS Loose (Tap drill size for 1/2"-20 UNF threads)
·100%Unused NOS: Factory-sharp cutting edgesthroughout. Excellent vintage condition with minor storage patina.
·ComprehensiveMachinery Set: Covers essential tap-prep andclearance drill sizes for standard 1/2", 5/8", 3/4", and 1"fasteners.
·Golden-EraSteel: Authentic 1950s–1960s Americanmetallurgical quality—far superior to modern imported tooling.
