Metric Products

- We offer diameters ranging from M5 to M72 for bolts and M5 through M100 for nuts

- Manufactured to DIN and ANSI specifications

- All grades and classes available

- We stock large diameter, extra-long blanks for cutting and threading

- Milling, grinding, slotting, and drilling available.

- Hex Cap Screws, Socket Bolts, Carriage Bolts, Flange Bolts, Plow Bolts, custom head styles, nuts and more

Big and Small - we do it all!!!

One-stop shopping for all your specialty fastener needs – no job is too big, no job is too small

- From 3/16” through 3-1/2” diameter bolts

- From M5 through M72 metric diameter bolts

- From ¼” through 4” nuts

- From M5 through M100 nuts

- We are looking forward to receiving your RFQ so we can provide you with a 10-minute quote!

Special and CNC Machining

Big Bolt is BIG on special fasteners!

- Over 18 CNC machines and many supporting machines

- 3 shift manufacturing, 6 days a week, 24/7 capabilities

- Experienced staff

- Well-equipped quality assurance department

- Ideal for tight tolerances

- Perfect for prototyping

- Machining in almost all grades of steel

Carriage bolts

We offer wide range of Carriage Bolts

- Long neck

- Short neck

- Regular neck

- Long and split lengths

- Cut and rolled thread

- Full body or full thread

- Fine or standard thread

- Grade 2, 5, 8, 304 and 316

- Class 8.8, 9.8 and 10.9

Socket Head Products

We are ready to supply popular and specialty Socket Head fasteners

- We stock extra-long blanks

- We manufacture standard and metric dimensions

- We offer the highest quality products

- We regularly add new sizes to stock

Structural Bolts

Big Bolt supplies the highest quality structural fasteners

- Grade A325 and A490

- Grades A193 B7, A193 B16 and A307B for high temperature or high pressure applications

- Metric and Standard dimensions

- Split lengths

- Full thread

- Multiple finishes

- Fine or standard thread

Tap Bolts

Look no more for tap bolts – we’ve got them for you!

- Coarse and fine thread

- Grades 2, 5 and 8

- Split lengths

- Full thread

- Wide array of head styles

- Most surface finishes available

ACME Bolts and Rods

We supply ACME products for your ACME needs:

- Rods

- ACME Bolts

- Square nuts

- Hex nuts

- Round nuts

- Wing nuts

- Flange nuts

- Couplings

- Stainless steel, Brass, Bronze, Low Carbon Steel, Alloy.

- Left and Right hand thread

- 2G General purpose ACME

- Blueprint specials

Nuts and washers

We will fulfill your nut and washer needs

- ¼” through 4” diameter

- M5 through M100

- Hex, square, round and wing nuts

- Flange nuts

- Hex couplings

- ACME nuts

- Pressed washers

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