Product Drawing
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Selection Guide / Technical Info.
Detailed Drawing
KHK SN1-20L, Module 1, 20 Tooth, Left Hand, Carbon Steel Screw Gears
Steel Screw Gears (SN)
Status: AX
Popular screw gears. Additionally, gear tooth induction hardening secondary operations can be performed.
Please note that all J-Series, F-Series, & H-Series products are made-to-order, noncancellable, and non-returnable.
Price: $18.56 (See below for quantity breaks.)
Pricing Structure
| Qty Range | 1 – 9 | 10 – 24 | 25 – 49 | 50 – 99 | 100 – 249 | 250 – 499 | 500 – 999 | 1000+ |
| Price/Unit | $18.56 | $17.89 | $17.22 | $16.55 | $15.88 | $15.21 | $14.54 | $13.86 |
Available On Hand Inventory*: 5
3 Day Delivery (Factory Direct) Inventory*: 106
Backorder Availability*: Additional pieces available in 12 weeks ARO.
*Approximate inventory level subject to prior sale and availability. If you require more product than is available, please contact us at (516) 248-3850.
KHK SN1-20L, Module 1, 20 Tooth, Left Hand, Carbon Steel Screw Gears Specifications
Metric
Inch
Gear Type
Screw Gears
Construction
Carbon Steel Screw Gears
Bore Type
Plain
Module
1
No. of teeth
20
Direction of Spiral
Left Hand
Shape
S1
Bore (A)
8.0
(mm)
Hub Diameter (B)
25.0
(mm)
Pitch Diameter (C)
28.28
(mm)
Outer Diameter (D)
30.28
(mm)
Face Width (E)
10.0
(mm)
Hub Width (F)
10.0
(mm)
Total Length (G)
20.00
(mm)
Surface Durability (N-m)
0.6600
Surface Durability (kgf-m)
0.068
Backlash
0.08-0.18
(mm)
Weight
0.08000
(kg)
Precision Grade
JIS grade N9 (JIS B1702-1:1998)
Reference Section of Gear
Normal Plane
Gear Teeth Type
Standard Full Depth
Helix Angle
45°
Pressure Angle
20°
Material
S45C (AISI 1045) Carbon Steel
Tooth Hardness
(less than 194HB)
Surface Treatment
Black oxide coating