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Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 3-1/2"

Diameter - Thread Pitch: 5/16"-18

Provide a tight fit
A thread cutting screw cuts its own threads into an existing hole
High resistances to torque, shear, and tension when applied
Feature a machine screw style thread
Blunt tapered point with multi-cutting edges and chip cavities
Star drive style to designed to reduce the chance of slip out during proper installation
Minimizes the chance to stripping

5/16"-18 Thread Cutting screws feature a thread cutting tip which makes threads in existing or pre-drilled holes.

Drill Bit Sizes for Thread Cutting Screws

Sizes Listed As:
Diameter - Thread Pitch x Length from Top of Head

Product number: 6000-018-0092

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Specifications

Color: Black
Corrosion Resistant: Yes
Diameter: 5/16"
Drive Style: Star
Head Type: Flat Head
Thread Direction: Right Hand
Thread Type: Coarse
Finish: Black Phosphate & Oil
Grade: C1022
Head Diameter: Max 0.597 - Min 0.556
Head Style: Flat
Length: 3-1/2"
Material: Steel
Part Number: 6000-018
Point Type: F
Product Type: Thread Cutting (Floorboard) Screws
System of Measurement: Inch
Thread Diameter: (5/16") Max 0.3152 - Min 0.3065
Thread Direction: Right Hand
Thread Pitch: 18 Per Inch
Thread Size: 5/16"-18
Thread Standard: UNC
Thread Type: Coarse
Tolerance (IFI): Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Star Drive: T40

Resources Drill Bit Sizes for Thread Cutting Screws

Star Drive Power Bits, T40, Length 2"

Volume Pricing*

$2.60

($2.60/ea)

$21.50

($2.15/ea)

$97.50

($1.95/ea)

$0.00

Norseman Magnum Super Premium Jobber Length Drill Bit, K (0.281")

Volume Pricing*

$4.28

($4.28/ea)

$40.10

($4.01/ea)

$0.00

Select Size/SKU & Quantity

12 Available Sizes

SIZE/SKU	Review Volume Pricing*	Enter Any Qty
5/16"-18 x 3/4" 6000-018-0052	1 $0.52 ($0.52/ea) 100 $40.00 ($0.40/ea) 1000 $370.00 ($0.37/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 3/4" $0.00
5/16"-18 x 1" 6000-018-0062	1 $0.26 ($0.26/ea) 100 $15.00 ($0.15/ea) 1000 $120.00 ($0.12/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 1" $0.00
5/16"-18 x 1-1/4" 6000-018-0072	1 $0.27 ($0.27/ea) 100 $16.00 ($0.16/ea) 1000 $130.00 ($0.13/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 1-1/4" $0.00
5/16"-18 x 1-1/2" 6000-018-0082	1 $0.28 ($0.28/ea) 100 $16.00 ($0.16/ea) 1000 $140.00 ($0.14/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 1-1/2" $0.00
5/16"-18 x 1-3/4" 6000-018-0002	1 $0.40 ($0.40/ea) 100 $24.00 ($0.24/ea) 1000 $200.00 ($0.20/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 1-3/4" $0.00
5/16"-18 x 2" 6000-018-0012	1 $0.42 ($0.42/ea) 100 $25.00 ($0.25/ea) 1000 $210.00 ($0.21/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 2" $0.00
5/16"-18 x 2-1/4" 6000-018-0022	1 $0.44 ($0.44/ea) 100 $26.00 ($0.26/ea) 1000 $210.00 ($0.21/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 2-1/4" $0.00
5/16"-18 x 2-1/2" 6000-018-0032	1 $0.49 ($0.49/ea) 100 $30.00 ($0.30/ea) 1000 $250.00 ($0.25/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 2-1/2" $0.00
5/16"-18 x 3-1/2" 6000-018-0092	1 $0.70 ($0.70/ea) 100 $58.00 ($0.58/ea) 1000 $510.00 ($0.51/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 3-1/2" $0.00
5/16"-18 x 4" 6000-018-0102	1 $2.32 ($2.32/ea) 100 $214.00 ($2.14/ea) 1000 $2,120.00 ($2.12/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 4" $0.00
5/16"-18 x 5" 6000-018-0112	1 $8.41 ($8.41/ea) 100 $771.00 ($7.71/ea) 1000 $7,010.00 ($7.01/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 5" $0.00
5/16"-18 x 6" 6000-018-0122	1 $4.54 ($4.54/ea) 100 $340.00 ($3.40/ea) 1000 $3,380.00 ($3.38/ea)	Quantity for Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 6" $0.00

*Volume pricing available on select products. Products without quantity breaks are priced per unit.

Page Total: $0.00

Machine Screws, Star Drive T-40 Flat Head, Thread Cutting, Black Phosphate Steel, 5/16"-18 x 3-1/2"

Diameter - Thread Pitch: 5/16"-18

Specifications

Frequently Used With