lifeeconomic 
Best results for drill size for a 5/16 tap
6Pcs/Set Hex Shank Drill Bits HSS 4341 Combination Drill and Tap Bit Screw Tap Deburr Countersink Bit (6-32NC 8-32 NC 10-32 NC 10-24 NC 12-24 NC 1/4-20 NC)
$13.99
$19.59
Amazon.com
Last update was on: November 23, 2024 11:10 am
- 6Pcs Hex Shank Drill Bits Set Inculued Size: 6-32NC (3.5mm), 8-32NC (4.2mm), 10-32NC (5mm), 10-24NC (5mm), 12-24NC (5.7mm), 1/4-20NC (6.35mm)
- Made of High-speed Steel 4341, Hard, Rustproof, Solid and Durable.
- Suitable for Low Hardness Materials Such as Wood, Aluminium Plate, Plank, Plastic, or Sheet Iron (thickness of less than 3mm).
- One-step Processing, Drilling, Tapping, Deburring and Countersinking in One Operation, Working Efficiently and Saving Time and Labor.
CHANNELLOCK 1765536#10×32 NF SA Tap/Drill
Century Drill & Tool 94506 5/16-24 NF Tap & Letter I Drill Combo Pack
$12.58
$17.61
Amazon.com
Last update was on: November 23, 2024 11:10 am
- Tap and drill Combo pack offers correct drill size for the tap in one convenient package
- Tap offers precision cut threads, accurately formed for consistent, exact threading
- Tap is heat treated and tempered for file hard threads, and longer, useful life
- Tap designed for hand cutting applications
- Drill bit made of premium grade high speed steel
Walton Tools 18001 Tap Extractor Set
Greenlee DTAPKIT 6-32 to 1/4-20 6-Piece Combination Drill and Tap Set
Amazon.com
Last update was on: November 23, 2024 11:10 am
- Complete hole drilling, tapping, deburring and countersinking in one operation with power drill saves labor and time
- Back tapered beyond tap to prevent thread damage from over-drilling
- Deburr/countersink also provided on bit beyond back taper
- Made from hardened high-speed steel vs carbon steel for longer life
- Designed to tap up to 10-gauge metal
Lisle 70500 Tap Socket Set
$23.26
$31.87
Amazon.com
Last update was on: November 23, 2024 11:10 am
- Tap Socket Set
- This product is highly durable
- This product is made in United States
- Ideal for use in areas where a T handle won't fit
- Set of 8 sockets fits all number and fractional M.C.T.I. standard taps thru 1/2 inch
- Sockets contained on a vinyl holder
Accusize Industrial Tools 18 Pc H.S.S. Tap and Drill Set, U.N.C, 0001-0040
$58.00
$70.76
Amazon.com
Last update was on: November 23, 2024 11:10 am
- 18 Pcs/Set H.S.S. Tap & Drill Set, UNC
- Size of Taps: 6-32UNC, 8-32UNC, 10-24UNC, 10-32UNF, 1/4"-20UNC, 5/16"-18UNC, 3/8"-16UNC, 7/16"-14UNC, 1/2"-13UNC.
- Size of Drills: #36, #29, #25, #21, #7, F, 5/16", U, 27/64".
- HSS Fully Ground
Viking Drill and Tool by Norseman 57580 SP-18TD Type 20-UB Spiral Point Plug Style Magnum Super Premium Tap/Drill Set
$89.99
$105.29
Amazon.com
Last update was on: November 23, 2024 11:10 am
- 18 pc. Tap and Drill Set Premium High Speed Steel Spiral Point, NC
- Spiral Point NC Tap & Drill Set
- Contains: #36, 29, 25, 21, 7, F, 5/16, U, 27/64, 6-32, 8-32, 10-24, 10-32, 1/4-20, 5/16-18, 3/8-16, 7/16-14, 1/2-13
- Set includes tap and corresponding drill bit
- Spiral Point Gold Oxide Plug Style
Irwin 1791175 Taper Tap, 5/16"-24 Nf
Irwin Tools 2627-3 Piece High Carbon Steel- Tap 5/16" – 18 NC
Greenlee DTAP5/16-18 Combination Drill and Tap Bit, 5/16-18NC
$9.76
$11.03
Amazon.com
Last update was on: November 23, 2024 11:10 am
- Complete hole drilling, tapping, deburring and countersinking in one operation with power drill saves labor and time
- Back tapered beyond tap to prevent thread damage from over-drilling
- Deburr/countersink also provided on bit beyond back taper
- Made from hardened high-speed steel vs carbon steel for longer life
- Designed to tap up to 10-gauge metal
AUTOTOOLHOME Combination Drill and Tap Bit 6-32nc 8-32nc 10-32nc 10-24nc 12-24nc 1/4-20nc Set of 6
$11.89
$17.48
Amazon.com
Last update was on: November 23, 2024 11:10 am
- Complete hole drilling, tapping, deburring and countersinking in one operation with power drill saves labor and time
- Back tapered beyond tap to prevent thread damage from over-drilling
- Deburr/countersink also provided on bit beyond back taper
- Made from hardened high-speed steel (HSS 4341) vs carbon steel for longer life
- Designed to tap up to 10-gauge metal
DEWALT DWADT1032 UNF Drill Tap, 10"-32"
ABN Metric and SAE Standard Tap and Die 60-Piece Rethread Set Rethreading Kit for Cutting External and Internal Threads
$46.99
$62.03
Amazon.com
Last update was on: November 23, 2024 11:10 am
- CUT AND RENEW THREADS: The ABN Metric and SAE Standard Tap and Die 60-Piece Rethread Set Rethreading Kit for Cutting External and Internal Threads is a comprehensive set for cutting and renewing external and internal threads to exact standards
- SIZES: Metric taps 3x0.5, 4x0.7, 5x0.8, 6x1.0, 7x1.0, 8x1.25, 9x1.25, 10x1.0, 10x1.5, 12x1.75
- UNC taps 4-40, 6-32, 8-32, 10-24, 12-24, 1/4, 5/16, 3/8, 7/16, 1/2
Best Choice 40-Piece Tap and Die Set – SAE Inch Sizes | Essential Threading Tool with Storage Case
$26.99
$32.39
Amazon.com
Last update was on: November 23, 2024 11:10 am
- PREMIUM MATERIAL AND DURABILITY: Industrial grade GCr15 bearing steel construction ensures durability and tool longevity
- EXCELLENT CUTTING PERFORMANCE: All cutting teeth are precisely CNC machined and accurately heat treated to Rockwell hardness 60 HRC for best threading performance
- TAPERED TEETH DESIGN: Tapered coarse and fine taps and dies start threading more easily and smoothly, and prevent overthreading
HSS 5/16" – 36 Right Hand Thread Tap 5/16 – 36 TPI NEW
Century Drill & Tool 11612 Letter Gauge Drill Bit, Size-L
IRWIN HANSON 5/16" – 18 NC Tap and Letter G Drill Bit Set, 80235
$8.50
$11.56
Amazon.com
Last update was on: November 23, 2024 11:10 am
- Ideal for creating and threading fasteners holes in metal
- Creates 18 threads per inch
- Drill bit constructed of high speed steel for fast and precise drilling
- Tap crafted of high carbon steel for general purpose drilling
- Includes 1 drill bit and 1 tap
