Resources

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3D CAD Drawings are available upon request. Contact sales@knobsource.com.

To view the Engineering Drawings for any of our knob products, select the respective drawing from the list below:

3L4	1-3/4″ Plastic 3-Lobe Knob (PDF – 36KB)
3P1	1-1/4″ Plastic 3-Prong Knob (PDF – 33KB)
3P1C	1-1/4″ Plastic 3-Prong Knob (PDF – 37KB)
3P4	1-3/4″ Plastic 3-Prong Knob (PDF – 35KB)
3P4A	1-3/4″ Plastic 3-Prong Knob (PDF – 37KB)
3P4C	1-3/4″ Plastic 3-Prong Knob (PDF – 36KB)
3W4	1-3/4″ Plastic 3-Prong Knob (PDF – 39KB)
4P3	1-1/2″ Plastic 4-Prong Knob (PDF – 34KB)
4P3B	1-1/2″ Plastic 4-Prong Knob (PDF – 46KB)
4P4	1-3/4″ Plastic 4-Prong Knob (PDF – 34KB)
4L4	1-3/4″ Plastic 4-Lobe Knob (PDF – 34KB)
4L5	1-3/4″ Plastic 4-Lobe Knob (PDF – 34KB)
4P5	2″ Plastic 4-Prong Knob (PDF – 39KB)
4P7	2-1/2″ Plastic 4-Prong Knob (PDF – 37KB)
4S1	1-1/8″ Plastic 4-Lobe Knob (PDF – 42KB)
4S2	1-3/8″ Plastic 4-Lobe Knob (PDF – 38KB)
4S2I	1-3/8″ Plastic 4-Lobe Knob (PDF – 38KB)
4S4	1-3/4″ Plastic 4-Lobe Knob (PDF – 44KB)
4S4A	1-3/4″ Plastic 4-Lobe Knob (PDF – 42KB)
4S5	2″ Plastic 4-Lobe Knob (PDF – 42KB)
5S2	1-3/8″ Plastic Star Knob (PDF – 44KB)
5S2A	1-3/8″ Plastic Star Knob (PDF – 42KB)
5S2B	1-3/8″ Plastic Star Knob (PDF – 46KB)
5S2C	1-3/8″ Plastic Star Knob (PDF – 49KB)
5S3	1-3/4″ Plastic Star Knob (PDF – 49KB)
5S3A	1-3/4″ Plastic Star Knob (PDF – 49KB)
5S3C	1-3/4″ Plastic Star Knob (PDF – 47KB)
5S4	2-1/4″ Plastic Star Knob (PDF – 52KB)
5SA	2-1/4″ Plastic Star Knob (PDF – 49KB)
B0	3/4″ Plastic Ball Knob (PDF – 28KB)
B1	1″ Plastic Ball Knob (PDF – 29KB)
B2	1-1/4″ Plastic Ball Knob (PDF – 29KB)
B3	1-3/8″ Plastic Ball Knob (PDF – 29KB)
B3S	1-3/8″ Soft Touch Ball Knob (PDF – 33KB)
B3U	1-3/8″ Universal Ball Knob (PDF – 38KB)
B4	1-1/2″ Plastic Ball Knob (PDF – 29KB)
B4U	1-1/2″ Universal Ball Knob (PDF – 39KB)
B5	1-5/8″ Plastic Ball Knob (PDF – 29KB)
B5U	1-5/8″ Universal Ball Knob (PDF – 37KB)
B7	1-7/8″ Plastic Ball Knob (PDF – 29KB)
B7U	1-7/8″ Universal Ball Knob (PDF – 38KB)
DP2	1-1/4″ Plastic Round Pull Knob (PDF – 30KB)
F2	1-3/8″ Plastic Fluted Knob (PDF – 51KB)
F2B	1-3/8″ Plastic Fluted Knob (PDF – 48KB)
F3	1-1/2″ Plastic Fluted Knob (PDF – 53KB)
FM3	1-1/2″ Plastic Fluted Knob (PDF – 53KB)
F4	1-3/4″ Plastic Fluted Knob (PDF – 53KB)
F4A	1-3/4″ Plastic Fluted Knob (PDF – 53KB)
F5S	1-7/8″ Soft Touch Fluted Knob (PDF – 58KB)
F5	2″ Plastic Fluted Knob (PDF – 62KB)
FM5	2″ Plastic Fluted Knob (PDF – 62KB)
F6	2-3/8″ Plastic Fluted Knob (PDF – 62KB)
F6D	2-3/8″ Plastic Fluted Knob (PDF – 57KB)
F6E	2-3/8″ Plastic Fluted Knob (PDF – 56KB)
F6F	2-3/8″ Plastic Fluted Knob (PDF – 62KB)
F6H	2-3/8″ Plastic Fluted Knob (PDF – 46KB)
F6J	2-3/8″ Plastic Fluted Knob (PDF – 50KB)
F7	2-1/2″ Plastic Fluted Knob (PDF – 86KB)
FM7	2-1/2″ Plastic Fluted Knob (PDF – 86KB)
HT2	3/4″ Plastic Hex Knob (PDF – 34KB)
H3	1-3/8″ Plastic Half Ball Knob (PDF – 31KB)
K1	5/8″ Plastic Knurled Knob (PDF – 53KB)

K2	3/4″ Plastic Knurled Knob (PDF – 48KB)
K2A	3/4″ Plastic Knurled Knob (PDF – 44KB)
K2B	3/4″ Plastic Knurled Knob (PDF – 47KB)
K2C	3/4″ Plastic Knurled Knob (PDF – 45KB)
K3	3/4″ Plastic Knurled Knob (PDF – 85KB)
K3A	3/4″ Plastic Knurled Knob (PDF – 70KB)
K4	1″ Plastic Knurled Knob (PDF – 89KB)
K4A	1″ Plastic Knurled Knob (PDF – 86KB)
K4C	1″ Plastic Knurled Knob (PDF – 59KB)
K4D	1″ Plastic Knurled Knob (PDF – 79KB)
L2	1-1/8″ Plastic Long Tapered Knob (PDF – 29KB)
PL3	3/4″ Plastic Flat Tapered Knob (PDF – 35KB)
PL4	1″ Plastic Round Tapered Knob (PDF – 40KB)
PL5	1-5/8″ Plastic Round Knob (PDF – 30KB)
PL5A	1-5/8″ Plastic Round Knob (PDF – 0KB)
R2	1-3/8″ Plastic Tall Star Knob (PDF – 46KB)
R3	1-1/2″ Plastic Tall Star Knob (PDF – 49KB)
R3S	1-1/2″ Soft Touch Tall Star Knob (PDF – 65KB)
R5	1-7/8″ Plastic Tall Star Knob (PDF – 52KB)
R5S	1-7/8″ Soft Touch Tall Star Knob (PDF – 63KB)
R7S	2-3/8″ Plastic Tall Star Knob (PDF – 76KB)
RT2	3/4″ Plastic 3-Arm Knob (PDF – 38KB)
RT5	2″ Plastic 3-Arm Knob (PDF – 56KB)
RT5C	2″ Plastic 3-Arm Knob (PDF – 56KB)
RT7	2-1/2″ Plastic 3-Arm Knob (PDF – 47KB)
SD	1-1/8″ Plastic Tear Drop Knob
S3	1-3/8″ Plastic Tear Drop Knob (PDF – 31KB)
S3U	1-3/8″ Universal Tear Drop Knob (PDF – 37KB)
S5	1-5/8″ Plastic Tear Drop Knob (PDF – 28KB)
S5U	1-5/8″ Universal Tear Drop Knob (PDF – 37KB)
SB0	3/4″ Plastic Shoulder Ball Knob (PDF – 30KB)
SB1	1″ Plastic Shoulder Ball Knob (PDF – 27KB)
SB2	1-1/4″ Plastic Shoulder Ball Knob (PDF – 29KB)
SB3	1-3/8″ Plastic Shoulder Ball Knob (PDF – 27KB)
SB4	1-1/2″ Plastic Shoulder Ball Knob (PDF – 30KB)
SB5	1-5/8″ Plastic Shoulder Ball Knob (PDF – 29KB)
SB7	1-7/8″ Plastic Shoulder Ball Knob (PDF – 32KB)
SF3	1-3/8″ Plastic Flat Tapered Knob (PDF – 30KB)
T0	1″ Plastic T-Knob (PDF – 30KB)
T1	1-1/8″ Plastic T-Knob (PDF – 26KB)
T1A	1-1/8″ Plastic T-Knob (PDF – 28KB)
T1C	1-1/8″ Plastic T-Knob (PDF – 26KB)
T1D	1-1/8″ Plastic T-Knob (PDF – 36KB)
T2	1-1/4″ Plastic T-Knob (PDF – 31KB)
T5	2″ Plastic T-Knob (PDF – 28KB)
T5A	2″ Plastic T-Knob (PDF – 27KB)
T7	2-1/2″ Plastic T-Knob (PDF – 28KB)
T7A	2-1/2″ Plastic T-Knob (PDF – 29KB)
T9	3-1/2″ Plastic T-Knob (PDF – 31KB)
TF1	1″ Plastic Tall Fluted Knob (PDF – 42KB)
TF3	1-1/2″ Plastic Tall Fluted Knob (PDF – 41KB)
TF5	2″ Plastic Tall Fluted Knob (PDF – 43KB)
TH1	1-1/4″ Plastic Hurricane T-Knob (PDF – 133KB)
TK4	1-3/4″ Plastic Tri-Lobe Knob (PDF – 36KB)
TK5	1-3/4″ Plastic 3-Prong Knob (PDF – 35KB)
TK7	2-1/2″ Plastic Tri-Lobe Knob (PDF – 32KB)
TR6	2-1/4″ Plastic Rounded T-Knob (PDF – 32KB)
TR7	2-1/2″ Plastic Rounded T-Knob (PDF – 32KB)
TS2	7/8″ Plastic T-Knob (PDF – 34KB)
TW7	2-1/2″ Plastic T-Wing Knob (PDF – 40KB)
WN	1-1/4″ Plastic Wing Nut (PDF – 41KB)

Additional Downloads

Adjustable Ratchet Handles Sell Sheet (PDF – 1.75MB)

CNC Machining Sell Sheet (PDF – 1.90MB)

Composite Knob Sell Sheet (PDF – 2.77MB)

Control Knob Sell Sheet (PDF – 1.77MB)

Custom Molded Sell Sheet (PDF – 2.18MB)

Essentra Components Inc Line Card (PDF – 21MB)

Magnetic Pin Sell Sheet (PDF – 1.98MB)

Magnetic Selector Pin and Knob Detent Pin Sell Sheet (PDF – 2.40MB)

Metal Knob Sell Sheet (PDF – 1.57MB)

Nylon Tipped Fasteners Sell Sheet (PDF – 2.24MB)

Pin Receptacles Sell Sheet (PDF – 740KB)

Pipe Thread Detectives Sell Sheet (PDF – 12.1MB)

Pop Pins Sell Sheet (PDF – 1.84MB)

Positive Locking Pins Sell Sheet (PDF – 530KB)

Press Fit Knobs Sell Sheet (PDF – 1.91MB)

Press On Thumb Screws Sell Sheet (PDF – 1.97MB)

Quick Release Knobs Sell Sheet (PDF – 1.97MB)

Quick Release Pins Overview Sell Sheet (PDF – 2.95MB)

Ring Detent Pin Sell Sheet (PDF – 1.60MB)

Snap Lock DIY Knobs Sell Sheet (PDF – 2.35MB)

Spring Loaded Plunger Pins Sell Sheet (PDF – 1.90MB)

Swell latch Sell Sheet (PDF – 2.20MB)

Thread Detective Thread Checker Tool Sell Sheet (PDF – 1.15MB)

Universal Self Tapping Knobs Sell Sheet (PDF – 2.26MB)

Wire Lock Lynch Pins Sell Sheet (PDF – 1.67MB)

Wire Rope Lanyard Assemblies Sell Sheet (PDF – 1.69MB)