Dillon Manufacturing is an industry leader when it comes to providing standard and custom workholding products and accessories. Square serrated key type jaws are one of the many types of chuck jaws we carry. This style of chuck jaw can be made with aluminum or steel and is manufactured in a variety of sizes for numerous applications.

If you’re in the market for square serrated chuck jaws or another type of chuck jaw, you can count on Dillon Manufacturing. Our team has a national reputation as a premier chuck jaw manufacturer, supplying high-quality, reliable parts.

Placing an Order for Square Serrated Chuck Jaws

Ordering square serrated key type jaws through Dillon Manufacturing is simple. See below for product tables and individual product information.

Square Serrated Key Type – Soft Jaws

  • Add “A” to the beginning of the part number when ordering aluminum jaws.
  • Add “P” to the end of the part number when ordering pointed jaws.

Square serrated key type soft jaws are made with 1018 steel or 6061 aluminum.

Square Serrated Soft Jaws
← Scroll →
Ø
Diameter
Part
Number
L
Length
H
Height
W
Width
B
Slot
Width
F
Bolt
Spacing
S
Key Slot
Width
I
Screw
Size
M
Thread Size
8 DM204570 3.00 2.00 1.25 .501 1.438 .746 3/8 1/4-20
DM204570P 3.00 2.00 1.25 .501 1.438 .746 3/8 1/4-20
DM204002 3.00 3.00 1.25 .501 1.438 .746 3/8 1/4-20
DM204002P 3.00 3.00 1.25 .501 1.438 .746 3/8 1/4-20
DM204001 3.00 2.25 2.00 .501 1.250 .625 1/2 N/A
DM204001P 3.00 2.25 2.00 .501 1.250 .625 1/2 N/A
DM204003 3.00 3.00 2.00 .501 1.250 .625 1/2 N/A
DM204003P 3.00 3.00 2.00 .501 1.250 .625 1/2 N/A
DM204007 3.437 1.75 1.50 .751 1.438 .743 1/2 1/4-20
DM204007P 3.437 1.75 1.50 .751 1.438 .743 1/2 1/4-20
DM204008 3.437 3.00 1.50 .751 1.438 .743 1/2 1/4-20
DM204008P 3.437 3.00 1.50 .751 1.438 .743 1/2 1/4-20
10 DM204009 4.313 2.00 1.75 .751 1.750 .996 1/2 5/16-18
DM204009P 4.313 2.00 1.75 .751 1.750 .996 1/2 5/16-18
DM204010 4.313 4.00 1.75 .751 1.750 .996 1/2 5/16-18
DM204010P 4.313 4.00 1.75 .751 1.750 .996 1/2 5/16-18
DM204011 4.00 2.25 2.00 .626 1.750 .751 1/2 1/4-20
DM204011P 4.00 2.25 2.00 .626 1.750 .751 1/2 1/4-20
DM204012 4.00 4.00 2.00 .626 1.750 .751 1/2 1/4-20
DM204012P 4.00 4.00 2.00 .626 1.750 .751 1/2 1/4-20
10-12 DM204571 4.00 2.25 1.75 .751 1.750 .996 1/2 5/16-18
DM204571P 4.00 2.25 1.75 .751 1.750 .996 1/2 5/16-18
DM215806 4.00 4.00 1.75 .751 1.750 .996 1/2 5/16-18
DM215806P 4.00 4.00 1.75 .751 1.750 .996 1/2 5/16-18
12 DM204015 4.937 2.25 1.75 .751 1.750 .996 5/8 5/16-18
DM204015P 4.937 2.25 1.75 .751 1.750 .996 5/8 5/16-18
DM204016 4.937 4.00 1.75 .751 1.750 .996 5/8 5/16-18
DM204016P 4.937 4.00 1.75 .751 1.750 .996 5/8 5/16-18
DM204019 5.50 2.50 2.00 .751 1.750 .996 1/2 5/16-18
DM204019P 5.50 2.50 2.00 .751 1.750 .996 1/2 5/16-18
DM204020 5.50 4.00 2.00 .751 1.750 .996 1/2 5/16-18
DM204020P 5.50 4.00 2.00 .751 1.750 .996 1/2 5/16-18
DM215813 5.50 2.50 2.00 .751 1.750 .996 5/8 5/16-18
DM215813P 5.50 2.50 2.00 .751 1.750 .996 5/8 5/16-18
DM215814 5.50 4.00 2.00 .751 1.750 .996 5/8 5/16-18
DM215814P 5.50 4.00 2.00 .751 1.750 .996 5/8 5/16-18
DM204021 5.50 2.50 2.00 .751 1.750 .996 5/8 5/16-18
DM204021P 5.50 2.50 2.00 .751 1.750 .996 5/8 5/16-18
DM204022 5.50 4.00 2.00 .751 1.750 .996 5/8 5/16-18
DM204022P 5.50 4.00 2.00 .751 1.750 .996 5/8 5/16-18
DM215815 5.00 2.50 1.75 .751 1.750 .996 5/8 5/16-18
DM215815P 5.00 2.50 1.75 .751 1.750 .996 5/8 5/16-18
DM215816 5.00 4.00 1.75 .751 1.750 .996 5/8 5/16-18
DM215816P 5.00 4.00 1.75 .751 1.750 .996 5/8 5/16-18
15 DM204023 6.00 2.50 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204023P 6.00 2.50 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204024 6.00 4.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204024P 6.00 4.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204572 5.00 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204572P 5.00 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM215818 5.00 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM215818P 5.00 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM215823 6.813 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM215823P 6.813 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM215824 6.813 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM215824P 6.813 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204025 6.25 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204025P 6.25 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204026 6.25 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204026P 6.25 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
18 DM204027 5.00 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204027P 5.00 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204028 5.00 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204028P 5.00 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204029 6.00 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204029P 6.00 3.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204030 6.00 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
DM204030P 6.00 5.00 2.50 1.001 2.500 1.488 3/4 3/8-16
21-24 DM215825 5.00 3.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM215825P 5.00 3.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM215826 5.00 5.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM215826P 5.00 5.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204031 5.00 3.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204031P 5.00 3.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204032 5.00 5.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204032P 5.00 5.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204033 6.25 3.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204033P 6.25 3.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204034 6.25 5.00 2.50 1.001 3.000 1.488 3/4 3/8-16
DM204034P 6.25 5.00 2.50 1.001 3.000 1.488 3/4 3/8-16
24-32 DM204035 6.00 3.00 2.50 1.001 2.625 1.488 3/4 3/8-16
DM204035P 6.00 3.00 2.50 1.001 2.625 1.488 3/4 3/8-16
DM204036 6.00 5.00 2.50 1.001 2.625 1.488 3/4 3/8-16
DM204036P 6.00 5.00 2.50 1.001 2.625 1.488 3/4 3/8-16
28-36 DM204037 6.50 3.50 3.00 1.188 3.000 1.532 7/8 3/8-16
DM204037P 6.50 3.50 3.00 1.188 3.000 1.532 7/8 3/8-16
DM204038 6.50 5.00 3.00 1.188 3.000 1.532 7/8 3/8-16
DM204038P 6.50 5.00 3.00 1.188 3.000 1.532 7/8 3/8-16

Square Serrated Key Type – Full-Grip Jaws

  • Add “C” to the beginning of the part number when ordering cast iron jaws.
  • Add “S” to the beginning of the part number when ordering steel jaws.

Square serrate key type full-grip jaws are made with made with 6061-T6 aluminum.

Square Serrated Key Type Full Grips
← Scroll →
Ø
Diameter
Part
Number
H
Height
B
Slot
Width
F
Bolt
Spacing
S
Key Slot
Width
I
Screw
Size
M
Thread Size
Set
Ø
8 DM8ARFG 2.00 .501 1.438 .746 3/8 1/4-20 8"
DM8ARHFG 4.00 .501 1.438 .746 3/8 1/4-20 8"
204007FG 2.00 .751 1.438 .746 1/2 1/4-20 8"
204008FG 4.00 .751 1.438 .746 1/2 1/4-20 8"
10 DM10ARFG 2.00 .751 1.750 .996 1/2 5/16-18 10"
DM10ARHFG 4.00 .751 1.750 .996 1/2 5/16-18 10"
DM10ARFG58 2.00 .751 1.750 .996 5/8 5/16-18 10"
DM10ARHFG58 4.00 .751 1.750 .996 5/8 5/16-18 10"
12 DM12ARFG 2.375 .751 1.750 .996 1/2 5/16-18 12"
DM12ARHFG 4.00 .751 1.750 .996 1/2 5/16-18 12"
DM12ARFG58 2.375 .751 1.750 .996 5/8 5/16-18 12"
DM12ARHFG58 4.00 .751 1.750 .996 5/8 5/16-18 12"
15 DM15ARFG 3.00 1.001 2.500 1.488 3/4 3/8-16 15"
DM15ARHFG 4.00 1.001 2.500 1.488 3/4 3/8-16 15"
18 DM18ARFG 3.00 1.001 2.500 1.488 3/4 3/8-16 18''
DM18ARHFG 4.00 1.001 2.500 1.488 3/4 3/8-16 18''

Square Serrated Key Type
— Hard Jaws

Hard jaws are reversible for OD and ID chucking. All hard jaws are available in one- or two-step sets. All part numbers listed below are two-step sets.

Square serrate key type hard jaws are made with 8620 case hardened alloy steel.

Square Serrated Hard Jaws
← Scroll →
Ø
Diameter
Part
Number
L
Length
H
Height
W
Width
B
Slot
Width
F
Bolt
Spacing
S
Key Slot
Width
I
Screw
Size
M
Thread Size
8 DM204007RJ 3.75 2.00 1.50 .751 1.438 .746 1/2 1/4-20
10 DM12AR 3.781 2.50 1.75 .751 1.750 .996 3/8 5/16-18
12 DM12AR58 3.781 2.50 1.75 .751 1.750 .996 5/8 5/16-18
15-18 DM18AR 4.75 3.00 2.25 1.001 2.500 1.488 3/4 3/8-16
21-24 DM21AR 6.00 3.50 2.50 1.001 3.000 1.488 3/4 3/8-16
28-36 DM28AR 6.50 3.50 3.00 1.188 3.000 1.532 7/8 3/8-16

Square Serrated Key Type
— Jaw Nuts

 

Square Serrated Jaw Nuts
← Scroll →
Ø
Diameter
Part
Number
L
Length
H
Height
W
Width
F
Bolt
Spacing
M
Thread Size
T1
Tongue
Width
E
Heel
Height
8 DM8CCJ 2.11 .996 .993 1.438 1/2-13 .750 .376
10-12 DM10/12CCJ 2.43 1.000 1.000 1.750 1/2-13 .750 .375
12 DM12CCJ 2.50 1.000 1.000 1.750 5/8-11 .750 .375
15-18 DM15/18JN 3.75 1.250 1.250 2.500 3/4-10 1.000 .438
21-24 DM21CCJ 4.50 1.250 1.250 3.000 3/4-10 1.000 .438
28-36 DM28CCJ 4.50 1.250 1.562 3.000 7/8-9 1.187 .438

Square Serrated Key Type
— Square Serrated Master Key

 

Square Serrated Master Key
← Scroll →
Ø
Diameter
Part
Number
L
Length
H
Height
W
Width
T
Tongue
Width
I
Screw
Size
P
Pitch
A
Slot
Depth
8 DM8SQK 1.313 .375 .744 .098 1/4 .200 .101
DM8CCA 1.406 .435 .744 .075 1/4 .155 .101
10-12 DM12SQK 1.688 .500 .995 .124 5/16 .250 .130
15 DM15SQK 2.00 .500 1.487 .124 3/8 .250 .130
18 DM18SQK 2.25 .500 1.487 .124 3/8 .250 .130
21-24 DM21SQK 2.50 .500 1.487 .124 3/8 .250 .130
28-36 DM28SQK 2.50 .500 1.531 .124 3/8 .250 .130

Why Choose Dillon Manufacturing for Square Serrated Chuck Jaws?

In addition to our industry experience and expertise, Dillon Manufacturing is also proud to offer 100% American-made square serrated key type jaws that boost productivity and efficiency in our customers’ operations. Our products will make your company more competitive and make your job easier.

Other benefits of shopping Dillon Manufacturing include:

  • ISO 9001:2015 registered (ISO 9001 standard)
  • Our speed and delivery capabilities
  • Stock and custom chuck jaws
  • Competitive pricing and high-quality products
  • An experienced staff who assures products meet your specifications
  • Knowledgeable team members who can provide technical input throughout the manufacturing process
  • Heat treatment and metal finishing to almost any specification or type
  • Fully integrated computer system for tracking material and production throughout the plant

To make sure you have a solution for your product applications, we also have custom orders available. Our business also provides next-day delivery options for your convenience.

Contact Us for Square Serrated Key Type Jaws Today

When you purchase square serrated key type jaws from Dillon Manufacturing, our team will fill your order quickly, and we’re committed to ensuring you have only the best components. If you are ready to make a purchase or restock, please reach out or place an order through our website.

You can also contact our team with any questions. We look forward to working with you!

Reach Out Today