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Sharp top roller chains are purpose-built for the forestry, lumber, and timber-processing industries, where reliable material grip, resistance to sawdust packing, and long service life under continuous load are non-negotiable. Each chain is manufactured from top-grade alloy steel, heat-treated to achieve the hardness necessary to resist corrosion and oxidation while retaining strength at elevated operating temperatures.
The solid center plate design — a defining feature of this product line — virtually eliminates breakage caused by sawdust and wood-chip compaction, the single most common failure mode in sawmill conveyor chains. The tooth profile is engineered to the optimal degree of sharpness: deep enough to physically grip lumber moving along the conveyor, yet refined to minimise bruising, tear-out, and surface damage to finished timber.
All chains from roller-chain-manufacturers.com are available in single, double, triple, and quad strand configurations, covering ANSI sizes 60-1 through 120-4 and ISO metric sizes 16B through 32B. Custom lengths are produced to your equipment’s working requirements.
Single to quad
60-1 through 120-4
operating speed
ANSI & ISO / BS
Teknik Özellikler
All dimensions in inches unless stated otherwise. Click the section header to navigate.
Double strand
Triple strand
Quad strand
Metric (ISO/BS)
(1) Her 2 Adımda 3 Nokta Keskin Üst Zincir
01
Single strand — 3 points every 2 pitches (ANSI)
P = pitch · B = inner width · C = roller diameter · D = pin diameter · E = plate height · F = overall width · G = plate thickness · H = pin head thickness · I = tooth height
| Chain size | P | B | C | D | E | F | G | H | I |
|---|---|---|---|---|---|---|---|---|---|
| 60-1 | 0.750″ | 0.850″ | 0.512″ | 0.689″ | 0.500″ | 0.878″ | 0.094″ | 0.094″ | 1.000″ |
| 80-1 | 1.000″ | 1.140″ | 0.685″ | 0.914″ | 0.622″ | 1.130″ | 0.125″ | 0.125″ | 1.275″ |
| 100-1 | 1.250″ | 1.325″ | 0.750″ | 1.142″ | 0.711″ | 1.374″ | 0.156″ | 0.125″ | 1.544″ |
| 120-1 | 1.500″ | 1.594″ | 0.909″ | 1.370″ | 1.000″ | 1.750″ | 0.187″ | 0.125″ | 1.942″ |
02
Double strand — 3 points every 2 pitches (ANSI)
Additional columns — I: overall assembly width · J: strand spacing · K: inner plate height · L: cottered pin projection
| Chain size | P | B | C | D | E | F | G | H | I | J | K | L |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 60-2 | 0.750″ | 0.854″ | 0.510″ | 0.685″ | 0.500″ | 1.774″ | 0.094″ | 0.094″ | 1.900″ | 0.898″ | 0.500″ | — |
| 80-2 | 1.000″ | 1.140″ | 0.685″ | 0.914″ | 0.625″ | 2.310″ | 0.125″ | 0.125″ | 2.420″ | 1.153″ | 0.630″ | 0.249″ |
| 80H-2 | 1.000″ | 1.152″ | 0.685″ | 0.934″ | 0.625″ | 2.431″ | 0.156″ | 0.126″ | — | 1.153″ | — | 0.312″ |
| 100-2 | 1.250″ | 1.325″ | 0.715″ | 1.147″ | 0.750″ | 2.805″ | 0.156″ | 0.125″ | 2.953″ | 1.409″ | 0.772″ | 0.310″ |
| 120-2 | 1.500″ | 1.594″ | 0.909″ | 1.370″ | 1.000″ | 3.300″ | 0.187″ | 0.125″ | 3.729″ | 1.787″ | 0.970″ | 0.410″ |
03
Triple strand — 3 points every 2 pitches (ANSI)
| Chain size | P | B | C | D | E | F | G | H | I | J | K | L |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 60-3 | 0.750″ | — | 0.500″ | 0.685″ | 0.500″ | — | 0.094″ | — | 2.792″ | 0.897″ | — | 0.181″ |
| 80-3 | 1.000″ | 1.140″ | 0.685″ | 0.914″ | 0.625″ | 3.460″ | 0.125″ | 0.126″ | 3.580″ | 1.153″ | 0.650″ | 0.250″ |
| 100-3 | 1.250″ | 1.325″ | 0.754″ | 1.147″ | 0.750″ | 4.200″ | 0.156″ | 0.126″ | 4.362″ | 1.409″ | 0.772″ | 0.310″ |
04
Quad strand — 3 points every 2 pitches (ANSI)
| Chain size | P | B | C | D | E | F | G | H | I | J | K | L |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 80-4 | 1.000″ | 1.140″ | 0.685″ | 0.914″ | 0.625″ | 4.614″ | 0.125″ | 0.126″ | 4.740″ | 1.153″ | 0.645″ | 0.250″ |
| 120-4 | 1.500″ | 1.594″ | 0.909″ | 1.370″ | 1.000″ | 7.150″ | 0.187″ | 0.125″ | 7.303″ | 1.787″ | 0.970″ | 0.410″ |
(2) Her Eğimdeki 4 Nokta Keskin Üst Zincir
01 80-2 With 4 Points Every Pitch
02
Metric — ISO / British Standard · all dimensions in mm · suffix -1 simplex, -2 duplex, -3 triplex
| Chain size | P (mm) | B (mm) | D (mm) | E (mm) | F (mm) | I (mm) | J (mm) | K (mm) |
|---|---|---|---|---|---|---|---|---|
| 16B-1 | 25.40 | 26.50 | 21.10 | 17.00 | 33.50 | 38.89 | — | 17.00 |
| 16B-2 | 25.40 | 26.50 | 21.10 | 17.00 | 67.99 | 73.41 | 31.88 | 17.00 |
| 16B-3 | 25.40 | 26.50 | 21.10 | 17.00 | 99.89 | 105.30 | 31.88 | 17.00 |
| 20B-1 | 31.80 | 32.80 | 26.42 | 19.60 | 43.21 | 49.30 | — | — |
| 20B-2 | 31.80 | 32.80 | 26.42 | 19.60 | 79.71 | 85.00 | 36.45 | 19.60 |
| 20B-3 | 31.80 | 32.80 | 26.42 | 19.60 | 116.10 | 122.20 | 36.45 | 19.60 |
| 24B-1 | 38.10 | 38.50 | 33.40 | 25.40 | 53.39 | 59.90 | — | 25.40 |
| 24B-2 | 38.10 | 38.50 | 33.40 | 25.40 | 101.80 | 108.40 | 48.36 | 25.40 |
| 24B-3 | 38.10 | 38.50 | 33.40 | 25.40 | 150.20 | 156.80 | 48.36 | 25.40 |
| 32B-1 | 50.80 | — | 48.26 | 30.99 | 75.40 | 64.70 | — | 38.10 |
| 32B-2 | 50.80 | — | 48.26 | 30.99 | 133.90 | 126.00 | 58.55 | 38.10 |
Key features
⚙️
Special order options
The following upgrades are available as custom build options at time of order — specify when enquiring.
Uygulamalar
Manufacturing & quality
All sharp top chains from roller-chain-manufacturers.com are produced from high-quality alloy steel with advanced heat treatment technology and specialist forming processes. The production process directly addresses the three most common failure modes in forestry chains — tooth breakage, plastic deformation of link plates, and outright fracture — through material selection, tooth geometry, and case-depth control.
Our engineers work to your equipment’s specifications to calculate the optimal tooth sharpness for each application, maximising performance by balancing grip strength against material protection. Chains are designed to run accurately at conveyor speeds exceeding 1,400 fpm — the benchmark for high-throughput sawmill primary breakdown lines.
Matched sprockets for all ANSI and metric chain sizes are available from roller-chain-manufacturers.com as a complete drive package. If your required size, strand count, pitch, or tooth pattern is not listed, contact us with your drawing or specification and our technical team will advise.
Other chain products
Standard roller chains · Double-pitch conveyor chains · Hollow-pin chains · Leaf chains · Flat top chains · Side-bow chains · Lumber chains · Agricultural chains · Silent chains · Stainless steel chains · Nickel-plated chains · Engineering class chains · Steel pintle chains · Welded steel chains · Forged chains · Malleable iron chains
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