5/16-9 | 316 Stainless Steel Hex Lag Bolts

5/16"-9 | 316 Stainless Steel Lag Bolts

Diameter - Thread Pitch: 5/16" - 9


  • Commonly referred to as a lag screw, lag bolt, or coach screws
  • Significantly larger than most other screws
  • Essentially just a very large wood screw
  • Feature the sharp cutting threads of a wood screw
  • Commonly used in exterior applications
  • Highly corrosion and rust resistant
  • Ideal for salt water environments

5/16" | 316 Stainless steel lag bolts are corrosion resistant in harsh conditions, such as saltwater environments. The Feature a Hex Head and are designed to be driven with a wrench or hex driver.

Lag Screws are commonly used in heavy duty carpentry applications including lumber framing and anchoring equipment to wood such as machinery and large vices.

Hex Lag Screws in 5/16" diameter are Partial Thread in lengths 1" and over

Select Products Below See Product Specifications

NA = "Not Sold In Single Quantity"

Size
Select Package Quantity
SubTotal
5/16" x 1" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-002
5/16" x 1" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-002
1
NA
25
$14.50 (0.58/ea)
100
$56.00 (0.56/ea)
1000
$520.00 (0.52/ea)
Subtotal: $0.00 /
5/16" x 1-1/4" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-004
5/16" x 1-1/4" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-004
1
$0.67 (0.67/ea)
25
$16.50 (0.66/ea)
100
$61.00 (0.61/ea)
1000
$600.00 (0.6/ea)
Subtotal: $0.00 /
5/16" x 1-1/2" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-006
5/16" x 1-1/2" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-006
1
$0.77 (0.77/ea)
25
$18.50 (0.74/ea)
100
$73.00 (0.73/ea)
1000
$700.00 (0.7/ea)
Subtotal: $0.00 /
5/16" x 2" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-008
5/16" x 2" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-008
1
$0.81 (0.81/ea)
25
$19.50 (0.78/ea)
100
$75.00 (0.75/ea)
1000
$730.00 (0.73/ea)
Subtotal: $0.00 /
5/16" x 2-1/2" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-010
5/16" x 2-1/2" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-010
1
$1.34 (1.34/ea)
25
$32.75 (1.31/ea)
100
$124.00 (1.24/ea)
1000
$1,230.00 (1.23/ea)
Subtotal: $0.00 /
5/16" x 3" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-012
5/16" x 3" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-012
1
$1.62 (1.62/ea)
25
$39.00 (1.56/ea)
100
$151.00 (1.51/ea)
1000
$1,480.00 (1.48/ea)
Subtotal: $0.00 /
5/16" x 3-1/2" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-014
5/16" x 3-1/2" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-014
1
$1.83 (1.83/ea)
25
$44.00 (1.76/ea)
100
$169.00 (1.69/ea)
1000
$1,670.00 (1.67/ea)
Subtotal: $0.00 /
5/16" x 4" | 316 Stainless Steel Hex Lag Bolt
SKU #6004-004-016
5/16" x 4" | 316 Stainless Steel Hex Lag Bolt
SKU #6004-004-016
1
$2.06 (2.06/ea)
25
$50.00 (2/ea)
100
$191.00 (1.91/ea)
1000
$1,890.00 (1.89/ea)
Subtotal: $0.00 /
5/16" x 4-1/2" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-018
5/16" x 4-1/2" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-018
1
$2.68 (2.68/ea)
25
$64.25 (2.57/ea)
100
$248.00 (2.48/ea)
1000
$2,450.00 (2.45/ea)
Subtotal: $0.00 /
5/16" x 5" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-020
5/16" x 5" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-020
1
$3.01 (3.01/ea)
25
$72.75 (2.91/ea)
100
$277.00 (2.77/ea)
1000
$2,760.00 (2.76/ea)
Subtotal: $0.00 /
5/16" x 6" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-022
5/16" x 6" | 316 Stainless Steel Hex Lag Bolts
SKU #6004-004-022
1
$3.47 (3.47/ea)
25
$83.50 (3.34/ea)
100
$319.00 (3.19/ea)
1000
$3,180.00 (3.18/ea)
Subtotal: $0.00 /




Product Specifications
Color
Silver
Corrosion Resistant
Yes
Diameter
5/16"
Drive Style
External Hex
Grade
316
Head Height Basic
7/32"
Head Style
Hex
Marine Grade
Yes
Material
Stainless Steel
Product Type
Lag Screws
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Thread Length Max
Hex Lag Screws in 5/16" diameter are Partial Thread in lengths 1" and over
Thread Pitch (Count)
9 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Width Across Corners
Max 0.577 - Min 0.570
Wrench Size
1/2"